OpenTechnical

OT-2026-000065487

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, two 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-2026-000065487) never changes.

Identity and time

Publication numberOT-2026-000065487 · never reused
Internal UUID01a0ae8e-46f9-7f6c-85a2-3077b2b87439 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065487
StatusPUBLIC

Content hashes

Canonical textccfd1d67fe502362d78ca0d48d3b63b6820fe50baf5aa508b015446455fa0488
Markdownbef8a87c710f4a4c9a35782d9d1b51b2ae846342bd49a1973c5ddd9230d0a38c
PDF
Publication page87c40d4f594e2793ba5664b3055f85f831625311a40200b376b1ea505b1b3c9e
Manifest8cdbfc100f12697b4a6a049585fa91235d0958bf1cdd6584d55abb95edd83a42

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
SignatureEiCVEY130VFTdjuVgbt5jrOUvSf4ClDReyGXHPJxwytvqLPHrz5Uip6Cve07uB/TfKzGo0eQjn8TyLRUZEs3CA==
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

2026-09-17T10:33:46.499724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065487
observed 87c40d4f594e2793ba5664b3055f85f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:46.481951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065487/manifest.json
observed 8cdbfc100f12697b4a6a049585fa9123...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:46.464852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065487/publication.md
observed bef8a87c710f4a4c9a35782d9d1b51b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:46.447356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065487/publication.txt
observed ccfd1d67fe502362d78ca0d48d3b63b6...
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.