OpenTechnical

OT-2026-000065512

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000065512) never changes.

Identity and time

Publication numberOT-2026-000065512 · never reused
Internal UUID01a0ae8e-46f9-7f2c-a455-6dcbc88a999c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065512
StatusPUBLIC

Content hashes

Canonical texted7b915d3450d810bc72cb4c62baf2746b1230d893169d4a725515894bd81aa5
Markdowneadd7825be4d0492a110ca44215772d1c7baa9fb298e72a869e505354108885e
PDF
Publication page90fec7ed09a4e06d109cdc9cf12a1a9d68f3d46b875841cd35bb6ab9a7b006e6
Manifest987132a18dca8ae14c19ec3dd1a9b1d2c8c8c7f15101037a56cded51a239a87e

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
SignaturevdByc3m00787X7nDd/9KmpxNRYTLfSn2PMrAaSB3qT40ujMqF0J/GqTKei6z+rZQbqjzuuIe1irXij5clMdjAA==
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

2026-09-17T10:33:48.404993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065512
observed 90fec7ed09a4e06d109cdc9cf12a1a9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:48.384901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065512/manifest.json
observed 987132a18dca8ae14c19ec3dd1a9b1d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:48.367096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065512/publication.md
observed eadd7825be4d0492a110ca44215772d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:48.350148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065512/publication.txt
observed ed7b915d3450d810bc72cb4c62baf274...
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.