OpenTechnical

OT-2026-000066441

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000066441) never changes.

Identity and time

Publication numberOT-2026-000066441 · never reused
Internal UUID01a0ae8e-ce40-70d9-a363-49f9d3d1d32d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066441
StatusPUBLIC

Content hashes

Canonical text46b7261d84481d8f99d9bc3ffa61fc5356897ac31d387e5ee0aad386fd6325c1
Markdownc996677db94c9cdeb680a104c3e7632926aeadafa72f82d321fa56790094a736
PDF
Publication pageaeb7e09ac2cd191b88c080ca22c6d0aed07c11c1f4d115a86bf59311bd09cbb2
Manifestb7642fc8817f0b4d9e279500afef71c281de35ec0ae9bd9e75f638394227bf8a

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
SignatureY3snMM05KokYrfU9YdgguaRKe0I9XgNhKDO/6DSm/eycpc2QG9IBs7HSFs6qvF4lOOyC8wqPGW49tqOSA48kAQ==
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

2026-09-17T10:32:41.230155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066441
observed aeb7e09ac2cd191b88c080ca22c6d0ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:41.212722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066441/manifest.json
observed b7642fc8817f0b4d9e279500afef71c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:41.194162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066441/publication.md
observed c996677db94c9cdeb680a104c3e76329...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:41.177817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066441/publication.txt
observed 46b7261d84481d8f99d9bc3ffa61fc53...
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.