OpenTechnical

OT-2026-000020845

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000020845) never changes.

Identity and time

Publication numberOT-2026-000020845 · never reused
Internal UUID01a0ae6f-65e3-7195-b237-4854f7c5a74f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020845
StatusPUBLIC

Content hashes

Canonical text979b655b288a523c9cb522df0fa057145e3be39a1d64e4bc1a726300b8e25d45
Markdownf4aae736a1c002ab48dbb79cd73cb72afb22e1f2e22ed15c0a5a13d452a0dbd2
PDF
Publication page90a47cc438efd09d9f2181e3ecf10abedad92bfa63caf27a942c1a719047f1dd
Manifest8b3cbcd35d5a4f1338216735a6f6446cd9d65ea1da436bc3184d3641723d8a38

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
SignatureRkDOZQR34fvdVBhqAel4AAzm2Nbg+EwCgBv0REPcmTdfdEQuPKp3ROMZ/wZTnXA/Z09GOwHPpETlF5H+uhd5Dg==
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

2026-09-17T11:55:55.498796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020845
observed 90a47cc438efd09d9f2181e3ecf10abe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:55.481172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020845/manifest.json
observed 8b3cbcd35d5a4f1338216735a6f6446c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:55.462980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020845/publication.md
observed f4aae736a1c002ab48dbb79cd73cb72a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:55.444778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020845/publication.txt
observed 979b655b288a523c9cb522df0fa05714...
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.