Glossary

Glossary

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Term	Meaning in TgWitness
Workspace	One account's local session, journal, signing identity, sources and settings
Collector	The process component that observes updates available to an account
Source	A chat, group, channel or bot conversation selected by the collection scope
Scope	Which chats and chat types are eligible for collection
Observation	A record of what the collector saw at a particular time
Source time	A timestamp supplied by the source, where available
Observation time	When the collector recorded the observation
Journal	The append-only sequence of signed observations
Sequence number	A record's position within one journal
Captured version	One observed state of a message, including its relevant content
Deletion notice	An update indicating deletion; it may refer to content never captured
Missing at recheck	A message was absent from a later query; it is not automatically a deletion notice
Snapshot	History visible at the time of acquisition
Coverage gap	A recorded interruption or uncertainty in observation
Hash chain	Each record incorporates the preceding record's hash
Signature	A cryptographic check tied to a signing key; not a Telegram signature
Fingerprint	A compact hash identifying a public key, retained separately for trust decisions
Checkpoint	A signed journal boundary with its record count and head hash
Manifest	The file inventory and hashes covered by a signed export
Run receipt	Information about the collector program and a particular run
Vault	Encrypted storage for sessions, credentials and signing secrets
Panel token	The secret granting control of all workspaces through the panel
Witness token	A scoped secret for reading signed boundaries, counters and health
Witness	A separately keyed observer of the collector's signed statements
People profile	Derived observations about a Telegram ID, with references to saved records
FloodWait	A Telegram instruction to wait before making further requests
MTProxy	A Telegram transport proxy; not a general HTTPS proxy

For the cryptographic format, see Evidence. For a worked explanation of versions, hashes and checkpoints, see How it works.