OpenTechnical

OT-2026-000029971

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, single stage ejector, pulsed blow-off 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-2026-000029971) never changes.

Identity and time

Publication numberOT-2026-000029971 · never reused
Internal UUID01a0ae73-ac48-7939-bf47-2b501e6f38af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029971
StatusPUBLIC

Content hashes

Canonical texta18d0b53543b4c5b061a0153da7c1705a77d7d2b5665e50453a95d135d7fc124
Markdown6984d52a1c285a658055262ff507a9c714b38020bf86b3f44c61c2c52293b1df
PDF
Publication page0d0b0982e76689c69d0e13fd784248cde46fdc2281300cf53890ead917a8c5a2
Manifestde986cb6ce2c43eb476bc5e67a1b11a43d919e34fc9bfeb16959710612021418

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
SignatureKze4NnfmtDtJkrdEl0MHS+ff3W2s82AbLllX44P+Pz/2h3r3RaAKTdoLzHebqLBJez+fcpK2RDAoauoM9bK/Dg==
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

2026-09-17T11:38:41.429955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029971
observed 0d0b0982e76689c69d0e13fd784248cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:41.413785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029971/manifest.json
observed de986cb6ce2c43eb476bc5e67a1b11a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:41.397093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029971/publication.md
observed 6984d52a1c285a658055262ff507a9c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:41.380951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029971/publication.txt
observed a18d0b53543b4c5b061a0153da7c1705...
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.