OpenTechnical

OT-2026-000040673

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, sustained blow-off after 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-2026-000040673) never changes.

Identity and time

Publication numberOT-2026-000040673 · never reused
Internal UUID01a0ae79-6d0e-7cbc-9804-dc4ce1a9b21a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040673
StatusPUBLIC

Content hashes

Canonical text47a63fef73e69256c2e72cd08f45cfc3e779618238e73a6b6f1234ede033b26a
Markdownff66c76d9d0a3a06ee1d2ac5e9b47bc9c6faea12585dc22ca9e5a171d5cf6633
PDF
Publication page6dca7cb17dd2e93d208e3f84de80198eef256cd48f49dfef212b3f8c0d1abba8
Manifest2b9b360c59ce4511a786af32f13094c0b048cecbbf81f4e455c8c15adcddcecb

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
SignatureQXYcKtu6HygvCvnzmakALwq2BBp6e4uz5i0WFZnUM1fgln6pFbc3xs4/lJ4nqqyI0dTc4YdexWCwdzELsDiMDg==
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

2026-09-17T11:17:52.006571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040673
observed 6dca7cb17dd2e93d208e3f84de80198e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:51.990247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040673/manifest.json
observed 2b9b360c59ce4511a786af32f13094c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:51.972997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040673/publication.md
observed ff66c76d9d0a3a06ee1d2ac5e9b47bc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:51.955080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040673/publication.txt
observed 47a63fef73e69256c2e72cd08f45cfc3...
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.