OpenTechnical

OT-2026-000073732

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold 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-2026-000073732) never changes.

Identity and time

Publication numberOT-2026-000073732 · never reused
Internal UUID01a0ae93-2b8d-7406-86bb-919037862b21 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073732
StatusPUBLIC

Content hashes

Canonical textc0d9e40ce7c1bd4554f006846e93f15d7eafa3842d811493663c6fdc7bda20cd
Markdownf9c3d218e2ddca6921481e36b3de2f96cc831725aeff8f3d112b20535ec4a3bc
PDF
Publication pagea07a52586a145a0107ca16848a6646238a8017b7b0c7924ca8d91b6c675fecf5
Manifestda2f384c7cdc746bc085623a336c97a387c67b3ea8f36e47621f2a4f8d81b1fc

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
SignatureP0L/VMOALFsvgPZNejcnBf4nvwHsAZfr+AwBFUWeWrQfbvCJek6pXazV6oaPqOgmveAUMt0/5SD+m0bqKu93Cg==
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

2026-09-17T10:19:48.602030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073732
observed a07a52586a145a0107ca16848a664623...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:48.582032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073732/manifest.json
observed da2f384c7cdc746bc085623a336c97a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:48.562137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073732/publication.md
observed f9c3d218e2ddca6921481e36b3de2f96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:48.542072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073732/publication.txt
observed c0d9e40ce7c1bd4554f006846e93f15d...
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.