OpenTechnical

OT-2026-000017451

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two 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-2026-000017451) never changes.

Identity and time

Publication numberOT-2026-000017451 · never reused
Internal UUID01a0ae6e-76c9-79a4-bcc5-38a48aa2d229 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017451
StatusPUBLIC

Content hashes

Canonical text873cd48c020bcd1947481e8c24db330b60c2fa9a8f8fa9acb34b386105839b19
Markdown619ae392fb0cdbd34b2c717449bf7c79e45517986f345341a4fcd61766fd42b0
PDF
Publication page1f837925d7cb239ec5cb41237929f53c9e8876321f9bc209362c7ab404753bc2
Manifestab3d5efbc5500fe074c011e2fbc1f54f977c87578496d095bf90f7c9741ec1de

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
SignatureNqrgz+2O02Pqo7lBbwZTz8NAFBvjWOPH9SPrxUczh9zZo1zGoY48vopeYxWP476GZq7G6WqzXtoYOCYFjjq8Dw==
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

2026-09-17T12:02:35.248667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017451
observed 1f837925d7cb239ec5cb41237929f53c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:35.231067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017451/manifest.json
observed ab3d5efbc5500fe074c011e2fbc1f54f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:35.210854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017451/publication.md
observed 619ae392fb0cdbd34b2c717449bf7c79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:35.192854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017451/publication.txt
observed 873cd48c020bcd1947481e8c24db330b...
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.