OpenTechnical

OT-2026-000030757

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained 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-2026-000030757) never changes.

Identity and time

Publication numberOT-2026-000030757 · never reused
Internal UUID01a0ae74-3fb4-7e42-a352-d976e452daf4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030757
StatusPUBLIC

Content hashes

Canonical texte296872899beac9745eb285d75c9fd41ecdfffc10302dcd279f0660d27588494
Markdown529b166e092ee41545a761a4ec4764aaaf1235a1d6eeace9f4cfd0171a06c2f5
PDF
Publication page072f31cf3f11c829e48b33439a9b7b6d636138af21e8b4403e3ecd9e127bf005
Manifest7d54325d8d70363e609441ab29b15cd120b504ac164df0902c288ec83653c86f

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
Signaturev+f5QsPYHrLEkcHGwH+uYxmip2M+MevTMinXrxRFNUM9CsWsfMk7wNzykdWhwXeFEjbMxXedBt8WqXIJzykKDQ==
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

2026-09-17T11:36:42.470774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030757
observed 072f31cf3f11c829e48b33439a9b7b6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:42.451326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030757/manifest.json
observed 7d54325d8d70363e609441ab29b15cd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:42.434693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030757/publication.md
observed 529b166e092ee41545a761a4ec4764aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:42.417963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030757/publication.txt
observed e296872899beac9745eb285d75c9fd41...
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.