OpenTechnical

OT-2026-000099275

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, 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-2026-000099275) never changes.

Identity and time

Publication numberOT-2026-000099275 · never reused
Internal UUID01a0aea2-8289-71ad-b005-23b7b3cad02a · 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-2026-000099275
StatusPUBLIC

Content hashes

Canonical text648b99f4cc3d7dde2ec20e2839a7a7b8f11ba238f5e730229a887183fa65cd57
Markdown217c7fcd3690958c36a10abf7a88640550bd39be185aee20e80ca1161f2d295e
PDF
Publication pageba2e6c84f0264a9618030db2223ffcaeb40f33a4057b87e46e70919d7ab052d5
Manifest3f6e0d20e6a5921d951cb6f31cfcd1a47175e8a54e12ff8cc0d271dda62eabf1

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
SignaturegJC/JP3GqXpeot6uSu/079F0HqWvZlAcbBKBTGu27M/5RP9i9oI6mZ2CSgeB0FCmSSD19iZ/kcZ14ZLwMYnnDA==
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

2026-09-17T09:30:43.665026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099275
observed ba2e6c84f0264a9618030db2223ffcae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:43.648297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099275/manifest.json
observed 3f6e0d20e6a5921d951cb6f31cfcd1a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:43.630654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099275/publication.md
observed 217c7fcd3690958c36a10abf7a886405...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:43.613599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099275/publication.txt
observed 648b99f4cc3d7dde2ec20e2839a7a7b8...
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.