OpenTechnical

OT-2026-000051269

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, vented 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-2026-000051269) never changes.

Identity and time

Publication numberOT-2026-000051269 · never reused
Internal UUID01a0ae83-2740-7ab1-b01b-cbe738f10f27 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:05.998905Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051269
StatusPUBLIC

Content hashes

Canonical text0f9f2745761bb00f0f278e95b4c6d25c413a95fc00a6ded83e4afd71900ca0d8
Markdown9306b9fda926b620051688a5c0b2bd31ef489177b0abd8c860efdb1240285c52
PDF
Publication page85e3ec5c056e6a274f4b382e33c9e752568baa1a477cf55af8ac04e3ed96cccd
Manifeste1461be482feda21883910921fa115511ba13ce5e319322c98ff1874427939f2

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
Signatureo6hPJQc9gjZLL8xne4Ua2kyX3/CX9Lh1ZtwB/4K2L0jgUXRDIMIHS00N0bL6Q/eKu1+m2jQrf7maax4ZbpmIAQ==
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

2026-09-17T10:59:04.296310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051269
observed 85e3ec5c056e6a274f4b382e33c9e752...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:04.276319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051269/manifest.json
observed e1461be482feda21883910921fa11551...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:04.259138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051269/publication.md
observed 9306b9fda926b620051688a5c0b2bd31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:04.238516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051269/publication.txt
observed 0f9f2745761bb00f0f278e95b4c6d25c...
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.