OpenTechnical

OT-2026-000036423

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, 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-2026-000036423) never changes.

Identity and time

Publication numberOT-2026-000036423 · never reused
Internal UUID01a0ae77-01d1-7977-b5f4-e092ac6cc6d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036423
StatusPUBLIC

Content hashes

Canonical texta44c689b02905965c8b1a6ddf7bec87cb9127ac3bf288487c7113a61c23571b4
Markdownbe243a3cf934407e9148e7dea4f5f98f48d765b7725681505d3a4081d064551e
PDF
Publication page3f103f36235a28e58059f49258135c38f12257347460c6818e6b457e630dc43d
Manifestd8370862cc88c0a5979f19233871432d27dbd80a6f70178a94f746b354e8a299

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
SignatureG5kgKOfqxEjPTBlAgG+uAytSP1AuaBmBr8OZxkfJfqhrJsuhPt89jid7CrNzRJXcSlR0gpzWqAAPXh43yW68BQ==
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

2026-09-17T11:26:48.874994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036423
observed 3f103f36235a28e58059f49258135c38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:48.858801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036423/manifest.json
observed d8370862cc88c0a5979f19233871432d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:48.839779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036423/publication.md
observed be243a3cf934407e9148e7dea4f5f98f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:48.821980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036423/publication.txt
observed a44c689b02905965c8b1a6ddf7bec87c...
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.