OpenTechnical

OT-2026-000051453

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three 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-2026-000051453) never changes.

Identity and time

Publication numberOT-2026-000051453 · never reused
Internal UUID01a0ae83-7c80-7ea9-8a54-f57c09c0283d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051453
StatusPUBLIC

Content hashes

Canonical text1069a29a887a746e887468db77f7f4572cdf00cc9d8828b4297ed9cd8dbcdb57
Markdown2c6f3a9f8f119ac6f32c27f56000eb9e03b875dbd5cd31a48b9491d54d836cc9
PDF
Publication page24a13059c388e7a7c51a993d3fb0f850de52cb5eefa30742d9b39718ab2ce440
Manifest1d9a76230c33e65c54864c55338eed98afaee2dc7840e6b244aaf967453c4ae6

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
SignatureM3JfvqKj27LZLbkaqxzAZB4yu/LNrFl3Kl/jxJ+EYuL6C5RBZlC+9FOb2poIxmEbOd3Nk07WseWANlZzP4HGAQ==
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

2026-09-17T10:58:10.847769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051453
observed 24a13059c388e7a7c51a993d3fb0f850...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:10.830743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051453/manifest.json
observed 1d9a76230c33e65c54864c55338eed98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:10.811837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051453/publication.md
observed 2c6f3a9f8f119ac6f32c27f56000eb9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:10.793559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051453/publication.txt
observed 1069a29a887a746e887468db77f7f457...
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.