OpenTechnical

OT-2026-000035507

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, two stage ejector, supply line 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-2026-000035507) never changes.

Identity and time

Publication numberOT-2026-000035507 · never reused
Internal UUID01a0ae76-b4c4-7ee7-b078-feadb95c9166 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035507
StatusPUBLIC

Content hashes

Canonical textefbfed0f803d6aa5dec4d43679e36cbe4502286f0ac5d03d154febf174d2af7d
Markdown03e8e29a39efc4ca31db3242098aa3832ac83845c3c365d0e887b504131c2e45
PDF
Publication page8d8cbfa386360b8859125dc194af776af4443399d006073ae1f1e40dea8df79e
Manifest31a1b34874d89aede198ad0045edfe719df04afe917bcd420a5b7691b3251b7b

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
SignatureWXp412YaBXpMJfXLh4ZNvwrxjqWeAokfByrKLKwW8u2j+KvzgEDhO7H/TnTIpSaZau6WfHbcIFMknjO0uf/rCg==
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

2026-09-17T11:26:55.600017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035507
observed 8d8cbfa386360b8859125dc194af776a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:55.583322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035507/manifest.json
observed 31a1b34874d89aede198ad0045edfe71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:55.566830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035507/publication.md
observed 03e8e29a39efc4ca31db3242098aa383...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:55.548024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035507/publication.txt
observed efbfed0f803d6aa5dec4d43679e36cbe...
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.