OpenTechnical

OT-2026-000037488

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000037488) never changes.

Identity and time

Publication numberOT-2026-000037488 · never reused
Internal UUID01a0ae77-b8ce-7328-a7d8-7630af224670 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037488
StatusPUBLIC

Content hashes

Canonical text0edf2631041855e041b7afa2a76719bd0277f9263acd1646f14a5f9cfd1b2fa5
Markdown3141194337d4ee98f04595baf7b4d9b11422c0ddedf4151ec5255c7b80dc0374
PDF
Publication pagedc6b00fabe427b1c18bb48d816d773b745c9cfd99e6796244f7649fea76db795
Manifestfff3b6ecdb76321eeb7c5a41e531b9d89d5310339c297c300e624817d366d7fc

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
SignaturenTFJ7Azr28ppAFlDfFWpNwAa/guXi+MfSSafunGaS2O9M7ZlHMDE6cJT4rIt4PajT4NpvxhnjPoNj3KCRssjDA==
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

2026-09-17T11:23:55.868169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037488
observed dc6b00fabe427b1c18bb48d816d773b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:55.846585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037488/manifest.json
observed fff3b6ecdb76321eeb7c5a41e531b9d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:55.829638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037488/publication.md
observed 3141194337d4ee98f04595baf7b4d9b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:55.811573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037488/publication.txt
observed 0edf2631041855e041b7afa2a76719bd...
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.