OpenTechnical

OT-2026-000087373

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, 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-2026-000087373) never changes.

Identity and time

Publication numberOT-2026-000087373 · never reused
Internal UUID01a0ae9a-cd4f-759c-a701-850a585f3bce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087373
StatusPUBLIC

Content hashes

Canonical text9f669305ad6d7aec1aa510fc97f583cf6208df7740151ba1db41a21b2c1d01c5
Markdown1aef31346349f74646ef4fefec3505f9a4a22041c0692034b48b8e5adcd67faf
PDF
Publication page059a5d530ff6d5957d4b55113d6af3e202d7716ce61f8d20f245e305dc0b0f4d
Manifeste2f2b8ddcce768f60e68ebe1ccde6cc828ecf5f9fdd9662683021b04e98da8cb

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
Signature0PKkxFIFQMI4swYV0HJJmW6Y7/185HS0HD2G881I514MSvg9okesMi1DYc4UTstwUq4BWIIWjPwIZrVr1tmJDw==
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

2026-09-17T09:50:33.567323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087373
observed 059a5d530ff6d5957d4b55113d6af3e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:33.550281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087373/manifest.json
observed e2f2b8ddcce768f60e68ebe1ccde6cc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:33.533845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087373/publication.md
observed 1aef31346349f74646ef4fefec3505f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:33.516239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087373/publication.txt
observed 9f669305ad6d7aec1aa510fc97f583cf...
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.