OpenTechnical

OT-2026-000072654

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000072654) never changes.

Identity and time

Publication numberOT-2026-000072654 · never reused
Internal UUID01a0ae92-89d9-76f1-b894-59b7ccfa2fb9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072654
StatusPUBLIC

Content hashes

Canonical text519c84b6262db4272c954885b7b4b2e8efa91b63583ca02d72ddedd9bc51c696
Markdowneb99aea29d2d29adf2f5317e8049219900d73bab6b2380eae84758c4670e251a
PDF
Publication pagec513a7cb7b44ba4c56004eee9ce0a1df9f7c67930ba5736545f609f0ccea6fe0
Manifesta52b7c8d89398d4451d931ec0eccb09fbc84a00e136c9f2383359db531a616db

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
Signature9wJ3j5Hx2JjSUpDM2rdAym4J3v2OFRsV7E+VQUihd4jdM70BfL90eoSQUWNLhuJB0OfSySqUU8Qp/EvxWCdnAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:22:31.239336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072654
observed c513a7cb7b44ba4c56004eee9ce0a1df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:31.222340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072654/manifest.json
observed a52b7c8d89398d4451d931ec0eccb09f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:31.205399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072654/publication.md
observed eb99aea29d2d29adf2f5317e80492199...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:31.188512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072654/publication.txt
observed 519c84b6262db4272c954885b7b4b2e8...
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.