OpenTechnical

OT-2026-000042123

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single 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-2026-000042123) never changes.

Identity and time

Publication numberOT-2026-000042123 · never reused
Internal UUID01a0ae7a-5d71-7b37-b032-5c44117e206f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042123
StatusPUBLIC

Content hashes

Canonical text6ad48c3859b45fbd23ba2bc15a1371a8516976eeef9bc9b0ed262243f48f9a84
Markdown17182d7600ec45ed686e055d3b0af72d9fd49f41ca6fcdfc2671c06b1ea176fc
PDF
Publication page11d6012f823933416adb388c8b347d624cafa89241cd0d7944d2b688f6fdfbce
Manifest2c93ad965e612b6b087fec45b45a8fb65eb7a811c5b1c6915fc70f9ed61a69f8

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
SignatureDTNfmMQy+g1197gAhBSpfK81wFBiQQephkU2FphZoYO6kjLwwn2m0yjXjYNmFVWRzpIUF67x/Nu/QNVXAqrNCg==
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

2026-09-17T11:15:40.014069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042123
observed 11d6012f823933416adb388c8b347d62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:39.996224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042123/manifest.json
observed 2c93ad965e612b6b087fec45b45a8fb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:39.977483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042123/publication.md
observed 17182d7600ec45ed686e055d3b0af72d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:39.956676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042123/publication.txt
observed 6ad48c3859b45fbd23ba2bc15a1371a8...
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.