OpenTechnical

OT-2026-000050645

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, vented before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000050645) never changes.

Identity and time

Publication numberOT-2026-000050645 · never reused
Internal UUID01a0ae82-c7b0-7bf0-9bea-b859254d2d69 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050645
StatusPUBLIC

Content hashes

Canonical text584a788635d6688d2b487819189890f37b98829c9526053f56fc62b4c92a1b8d
Markdown12f3ae2dc739809b59b6bc40647abff1ad54b841472cba87b18d0b2b09436f9e
PDF
Publication page604ea0ea75de85c341813bffc56970f40c4b1a489ed27205df9997ca1347ae45
Manifest26b490868b3a755f6d8bb55ea35477684211257833425b8fdaac06f4cfecf322

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturecRETyRbc3+5eTLjfditGv/RN5ZKW+vwaPyM8zPq+IvYuFfh3M5t5/RTipEbFsYFlQL3YnO+fmty8NEjd0xSpCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:59:20.459482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050645
observed 604ea0ea75de85c341813bffc56970f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:20.438916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050645/manifest.json
observed 26b490868b3a755f6d8bb55ea3547768...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:20.417331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050645/publication.md
observed 12f3ae2dc739809b59b6bc40647abff1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:20.397864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050645/publication.txt
observed 584a788635d6688d2b487819189890f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.