OpenTechnical

OT-2026-000082634

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold 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-2026-000082634) never changes.

Identity and time

Publication numberOT-2026-000082634 · never reused
Internal UUID01a0ae97-8cc8-7ed2-bb1f-abe668e02d29 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082634
StatusPUBLIC

Content hashes

Canonical textcc76171819bb5b055226cba44d19d0e76698b0c2aab89a010e4ebf21379e142d
Markdown8a03391c541b02581d1adcee98249d6affae410c3aff7599db068cc4d212cdd3
PDF
Publication page74cbee9623de0f485a46abb17f6180729fb1b8faf89141fd6af59b362c198f74
Manifestc5f2a3b33f5a778d015fa5917590ec081c37edbbd9358333a87bef88a7ef06a8

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
SignatureGf86zibqfzPNynLagCnNX61QysxydTwVczDAXqbdM9XGI8uerR0QVn6Q45LfA7KgnVdJsbNgyNiQBMLCTdJpDA==
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

2026-09-17T09:58:11.429763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082634
observed 74cbee9623de0f485a46abb17f618072...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:11.410909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082634/manifest.json
observed c5f2a3b33f5a778d015fa5917590ec08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:11.369721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082634/publication.md
observed 8a03391c541b02581d1adcee98249d6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:11.328391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082634/publication.txt
observed cc76171819bb5b055226cba44d19d0e7...
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.