OpenTechnical

OT-2026-000091680

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, pressure sensor per zone, sustained blow-off before 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-2026-000091680) never changes.

Identity and time

Publication numberOT-2026-000091680 · never reused
Internal UUID01a0ae9d-43b8-7e98-9ec6-1409dc489d82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091680
StatusPUBLIC

Content hashes

Canonical text583194871532a9a58e16854d60cf40b925dc6df3b7d6daec7f6f281af9733c78
Markdowndf103a0ade43e7380959f45dad65f478565590d32812daa90b73ef924f7ab47b
PDF
Publication page517c7fc7202c12fa38a13b0aae2df2900883b4325c34b4fafa61ba48729edcd4
Manifest225293710b3a26eac9777e92b1b4b0201ec85389e171662006fde95ba221e842

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
Signatureh+wdQjbMCHhsUChqkZmTkpWnjlafQebs8vtoyVFBjZdwmorHEbLg6utRs8lXN2ccNyqlLmszF7nXabXd0J6vBA==
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

2026-09-17T09:42:03.750763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091680
observed 517c7fc7202c12fa38a13b0aae2df290...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:03.733563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091680/manifest.json
observed 225293710b3a26eac9777e92b1b4b020...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:03.715146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091680/publication.md
observed df103a0ade43e7380959f45dad65f478...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:03.696143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091680/publication.txt
observed 583194871532a9a58e16854d60cf40b9...
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.