OpenTechnical

OT-2026-000099229

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, manifold 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-2026-000099229) never changes.

Identity and time

Publication numberOT-2026-000099229 · never reused
Internal UUID01a0aea2-8288-7b08-b3ef-43149e88978e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099229
StatusPUBLIC

Content hashes

Canonical textce6796b123c6796e8ed0a541ec423c3894d9c1d7087c732ebf55f73d106f61d2
Markdown398921c3630b1aef20cfe52b66382e58b9447ac0d95784246800731976f0581c
PDF
Publication page70112d814d5d8f90ac4a93ce38171ae447b44a177943701c449e371c105b22e9
Manifest84c8258de4798a6f0bb7ed8060624ab4b567fee2e8abe65f3e80bb89528c01b7

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
SignatureBO8InQKGCS+szdCSqaGX5Skb71ZCXkly7ivH/Li0qi+eKc1fPoA69vWPXsBH8yCU0xaid04ZdmmrnryPdTLUBg==
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

2026-09-17T09:30:39.686919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099229
observed 70112d814d5d8f90ac4a93ce38171ae4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:39.661141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099229/manifest.json
observed 84c8258de4798a6f0bb7ed8060624ab4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:39.640080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099229/publication.md
observed 398921c3630b1aef20cfe52b66382e58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:39.616898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099229/publication.txt
observed ce6796b123c6796e8ed0a541ec423c38...
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.