OpenTechnical

OT-2026-000081814

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after set-down

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-2026-000081814) never changes.

Identity and time

Publication numberOT-2026-000081814 · never reused
Internal UUID01a0ae97-0f75-78d6-b210-63e00ad69373 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081814
StatusPUBLIC

Content hashes

Canonical textd5e68abfc8ee16848f40030ab726c6aac7e156c6b3a1c6478e84f06c15e3e106
Markdown3a61b5b6a5e605090a723b25317a4ea7e516537c570d22018770b5470c9d0823
PDF
Publication pagea5af4c6cb9ad5059c878e6f21acce068d77d6740c33c4f159295db6b5f99279e
Manifestfbe01695d325919f72c8134bbf338a41559f4b8a0d5890e45d3a5273bfc9f211

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
SignatureXNMTP53vsyjZTMcgAAcYPPW3Gi+t+86n/vriGbRULPEObG7b1VW6NAqgiar1v4MzldLv1NE9LtjPD0ZfwBD8Bw==
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

2026-09-17T09:59:55.120332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081814
observed a5af4c6cb9ad5059c878e6f21acce068...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:55.102010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081814/manifest.json
observed fbe01695d325919f72c8134bbf338a41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:55.084356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081814/publication.md
observed 3a61b5b6a5e605090a723b25317a4ea7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:55.067704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081814/publication.txt
observed d5e68abfc8ee16848f40030ab726c6aa...
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.