OpenTechnical

OT-2026-000088395

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000088395) never changes.

Identity and time

Publication numberOT-2026-000088395 · never reused
Internal UUID01a0ae9b-5d27-72ef-86b7-57a29af0c7e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088395
StatusPUBLIC

Content hashes

Canonical text4a8a162f4052c58f8f952dfb9c1c5955157b6f36f811ca1e0a801bf2ed96a1fa
Markdown2092a3f1503e3d6a6b47bde8bbf526e71e02208dffb1d94f1a7eb954d994f0fd
PDF
Publication pagebe6ef4fd721f7c49ab3941114709d0201210853dbc4357b12c6137c24da8df09
Manifestf3ca111038eaea215dbea1d898fffb17a61f476900bb19398a9f6d971f679367

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
SignatureJFHdVJSl9pP9Pc4kq6HaCKckct0tz1uVP7oliiMZRklKCEo8eoRKGpM8ptQ/ttd/ra6dY7aqECVNQHf5pM0iBQ==
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

2026-09-17T09:48:45.314219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088395
observed be6ef4fd721f7c49ab3941114709d020...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:45.295267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088395/manifest.json
observed f3ca111038eaea215dbea1d898fffb17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:45.275132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088395/publication.md
observed 2092a3f1503e3d6a6b47bde8bbf526e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:45.256604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088395/publication.txt
observed 4a8a162f4052c58f8f952dfb9c1c5955...
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.