OpenTechnical

OT-2026-000075373

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000075373) never changes.

Identity and time

Publication numberOT-2026-000075373 · never reused
Internal UUID01a0ae93-f201-704d-8077-7ab6f3d19a16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075373
StatusPUBLIC

Content hashes

Canonical text54561a472584f4c36b657d3fc17db0815070806e08794c4246c0561cfcd510b6
Markdown3bfe6aacf8c74c77fa7fa0bdc9d386a089616428efa6c8e11f4b30a1866d1344
PDF
Publication page204a9a82a32e51b8f8cbcaf419328deaf652a914ebe39bc0fb2ff0d03514ba59
Manifest58c2213c460f1133b06b1adeae9440fd30ef964a955578289e4507958eb7227c

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
SignaturehutjcZ6THWAnwfKUAIs2+cvGsabD5BPQe1eocyo/fz1iI2npPA0QN1dNwExkdJ0dV1CDZo+cqbNlpRi/FxYiBQ==
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

2026-09-17T10:17:23.280130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075373
observed 204a9a82a32e51b8f8cbcaf419328dea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:23.257291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075373/manifest.json
observed 58c2213c460f1133b06b1adeae9440fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:23.238596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075373/publication.md
observed 3bfe6aacf8c74c77fa7fa0bdc9d386a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:23.217858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075373/publication.txt
observed 54561a472584f4c36b657d3fc17db081...
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.