OpenTechnical

OT-2026-000076331

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, three stage ejector, pressure sensor per zone, pulsed 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-2026-000076331) never changes.

Identity and time

Publication numberOT-2026-000076331 · never reused
Internal UUID01a0ae94-6a70-7892-bd25-067f48511300 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076331
StatusPUBLIC

Content hashes

Canonical texte913aed7c08978f84762ad1a6b969c7b63c867c694e47a5ee7b430c479959b3b
Markdowne081493f9e0514aac07c42da868e6109977e8d7c36a8db01ca35dd15ea4a0326
PDF
Publication page540a0bd713eee70b4d33b79ebf53932fb495b8b3d3612e8c4b50224e14909825
Manifest9b09592948dcc6601036dd06f557b0f09edb18d020a3b5a65781380ef14b98bb

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
SignaturevX2hiIu5Qsl4fk6eXbp605ImmYVkbzl2kzb6tLeDb2z1cCFLhBxcAR2Mpk4HeNZlq40lp/p96glxLQhWbSD3Bg==
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

2026-09-17T10:12:11.205999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076331
observed 540a0bd713eee70b4d33b79ebf53932f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:11.187926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076331/manifest.json
observed 9b09592948dcc6601036dd06f557b0f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:11.167905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076331/publication.md
observed e081493f9e0514aac07c42da868e6109...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:11.149588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076331/publication.txt
observed e913aed7c08978f84762ad1a6b969c7b...
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.