OpenTechnical

OT-2026-000019267

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three 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-2026-000019267) never changes.

Identity and time

Publication numberOT-2026-000019267 · never reused
Internal UUID01a0ae6e-f392-7986-ab32-b6c5ed66e0bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019267
StatusPUBLIC

Content hashes

Canonical text295bef9c4dfac5e74f2d6f4a5f4241f1705c74aa82660c8e69aa24a71ae3d627
Markdownd8d2ea871cbcfef95246063a20792b1736d8197b29d4ab84b18dcc46aa7ebcbe
PDF
Publication pageb945f41f6076aa9e440efe6622213399ad72fa714687d9bc6e576e2f1caa6cbf
Manifest58b50dc2959be8e87c1d002431dc3432f3a8e0db772f87149e7104e2f6539b2f

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
SignaturerQYtiMFNAqbOmrtZHw30kZYAocsh4YWChEJ7++/Z0KUK12ZbnMgBGU/3/MFXvYczD1LpY8FVqSi1EtHcn0b2Dw==
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

2026-09-17T11:58:33.928448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019267
observed b945f41f6076aa9e440efe6622213399...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:33.879901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019267/manifest.json
observed 58b50dc2959be8e87c1d002431dc3432...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:33.860207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019267/publication.md
observed d8d2ea871cbcfef95246063a20792b17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:33.806333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019267/publication.txt
observed 295bef9c4dfac5e74f2d6f4a5f4241f1...
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.