OpenTechnical

OT-2026-000051377

Publication integrity record

Two cup vacuum gripper, two 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-2026-000051377) never changes.

Identity and time

Publication numberOT-2026-000051377 · never reused
Internal UUID01a0ae83-2741-7535-af01-4d6012972806 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:05.998905Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051377
StatusPUBLIC

Content hashes

Canonical text968566813682795a52553d34620cb4223449b2b0cfdc6b264b312195db61b436
Markdowne4eb8b8c60c2a9ffeece81278e1e135c06dc2ec9fa47e8849d8860780dcef005
PDF
Publication page8e07266d7587ad5794d6f39e0be1e64cdcb914236195dfd0884bfcf1dde1ea51
Manifest0c9f32ce388b1272534480744be8e4c756dbf7a9dfcf0dbb637973198bd4b5bf

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
SignatureL1/tJ3l44dDwXgj5DERu1r9AlTstSkn5LQmIZEhwH+965VaZMjRdeMuZXIolf/QMjJPiLHjdFP0tZHax/+JZCg==
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

2026-09-17T10:59:16.279968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051377
observed 8e07266d7587ad5794d6f39e0be1e64c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:16.261996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051377/manifest.json
observed 0c9f32ce388b1272534480744be8e4c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:16.245293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051377/publication.md
observed e4eb8b8c60c2a9ffeece81278e1e135c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:16.224555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051377/publication.txt
observed 968566813682795a52553d34620cb422...
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.