OpenTechnical

OT-2026-000097922

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000097922) never changes.

Identity and time

Publication numberOT-2026-000097922 · never reused
Internal UUID01a0aea1-92f7-7a98-b92e-406901c8b5e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097922
StatusPUBLIC

Content hashes

Canonical texta7bda2f2a57cc42a72de880b7c08402e7a2450d783b5f608c30ac2950dd51954
Markdowna7eb166499864afa7d44a1d077c548f7ae1bcefa27df94c823816c6eed216642
PDF
Publication pagec18196bd9c12df753ecd1cb26a1f27988368c7ee48dc73af2c2c1f48957017de
Manifestc4ac7757de86bbdffd82885a3fceff96466112590cd97a078ac5effd105ff1ac

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
SignatureXKYbEE/3FGqDjQ3FtEZIBOvUL/1DKzpUSOshRsd1FeniPANdvy7NVY8EEGjMU2VdhM6BLlKEEqu0ulJJBlI8AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:03.108039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097922
observed c18196bd9c12df753ecd1cb26a1f2798...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:03.089811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097922/manifest.json
observed c4ac7757de86bbdffd82885a3fceff96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:03.072429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097922/publication.md
observed a7eb166499864afa7d44a1d077c548f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:03.052462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097922/publication.txt
observed a7bda2f2a57cc42a72de880b7c08402e...
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.