OpenTechnical

OT-2026-000066730

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000066730) never changes.

Identity and time

Publication numberOT-2026-000066730 · never reused
Internal UUID01a0ae8e-ce42-71bc-9c87-45b62907cf16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066730
StatusPUBLIC

Content hashes

Canonical text7a17543b1076f6c3a507639ef44c24f92068cf4a4be62c816515bacf54498043
Markdown13635bd0c75d834b6a6a4baeb49739070c739567a7a19dfb4852c4dc04cbee7a
PDF
Publication page688673cda6b0ac3d6d65f38965945e2c6ab2401b412951e65bb866dbca28d233
Manifest29dd24b5ea9cbdad315363d6f35885044b101b2fe4ade3541a8ab6da250be8d2

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
Signature1rf8cpoVOveTXTFjjMU5AFmaWGYK8CDkono8n75N7XxScLoyQNJYcnnACX49XfBv5SE+J5BTylIzvzSk4f/4CA==
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

2026-09-17T10:33:08.211010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066730
observed 688673cda6b0ac3d6d65f38965945e2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:08.190733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066730/manifest.json
observed 29dd24b5ea9cbdad315363d6f3588504...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:08.172429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066730/publication.md
observed 13635bd0c75d834b6a6a4baeb4973907...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:08.153487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066730/publication.txt
observed 7a17543b1076f6c3a507639ef44c24f9...
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.