OpenTechnical

OT-2026-000080856

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum 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-2026-000080856) never changes.

Identity and time

Publication numberOT-2026-000080856 · never reused
Internal UUID01a0ae96-b974-75fe-b42d-9fc1d0ee90e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080856
StatusPUBLIC

Content hashes

Canonical text757467d3aa61a4ad4e49e4667bfc0c29ba733b056e6d2286e4fb431be43b2396
Markdown84d9dcfec29f7ca100412253628a2a8220f378eb5705b64e0b83d21d2e7295b9
PDF
Publication page297212bfa039b7adaa13094f03280f02ec842fb9334f15a5c23b79f4d986ce03
Manifest299daeb38c20466c241796bdfd9012f0ae5e4018ea3c80f752ade7cbbebe6788

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
Signature0LxSBojh5o8+B0kkiEUu02+yBDPjobTUhcoqdbXo++n98VdbDKf5/ezmyuXTQC9zqbkpnkpue9gelMe0cCWpDg==
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

2026-09-17T10:02:02.978629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080856
observed 297212bfa039b7adaa13094f03280f02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:02.960313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080856/manifest.json
observed 299daeb38c20466c241796bdfd9012f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:02.941623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080856/publication.md
observed 84d9dcfec29f7ca100412253628a2a82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:02.922579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080856/publication.txt
observed 757467d3aa61a4ad4e49e4667bfc0c29...
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.