OpenTechnical

OT-2026-000015471

Publication integrity record

Foam pad vacuum gripper, two zone face, two 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-2026-000015471) never changes.

Identity and time

Publication numberOT-2026-000015471 · never reused
Internal UUID01a0ae6d-ef4a-7715-937a-4f3defba24ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015471
StatusPUBLIC

Content hashes

Canonical textc30ec2342d70cc0d05897a0912afda9c99868890ebc5e6b78630a1db6bf785ef
Markdown98b0816928a350cb08374d0b9d232b28dba5e4c5aa8eb41ac317c0ab69698d96
PDF
Publication page67fbcba29630337eb3413651da585f1cb940955a52ba48e024c44a854fd96f6a
Manifest651325dff0b213fc8cd917cdaf5f3692da1ccb321ef551df2e7a57eb5bc1efed

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
Signature0AkUXfbYHPlcPdrohraEY+1Ddo2HEBfnktrvSFl1uJT8mEGH6qghoFByYzCvDOHRBxn9sZ+NoESQQ7+FUqJPDQ==
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

2026-09-17T12:06:13.590107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015471
observed 67fbcba29630337eb3413651da585f1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:13.570103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015471/manifest.json
observed 651325dff0b213fc8cd917cdaf5f3692...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:13.549833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015471/publication.md
observed 98b0816928a350cb08374d0b9d232b28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:13.530121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015471/publication.txt
observed c30ec2342d70cc0d05897a0912afda9c...
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.