OpenTechnical

OT-2026-000084501

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, 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-2026-000084501) never changes.

Identity and time

Publication numberOT-2026-000084501 · never reused
Internal UUID01a0ae98-e259-7e3c-a162-060377ded4da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084501
StatusPUBLIC

Content hashes

Canonical textfe6c88cfcf5e413bb8a48d8130c963c1567fa9057d591389461f3985a1f6962e
Markdown33e26a475dd534d65a5890b61960e2ef55b1653d8dbc0ed94e13671ba98b8899
PDF
Publication page29d93be2fd2d5203c77c3a557caee4016e840c04fb956c5ba9f1e5fa16e50e88
Manifest24e56e2eb3d8f759adac00c60765ed88ac509737095c0e8788e1e83f48fc73d7

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
SignatureBSsyzo8s2lHlrsD88sdB67RW98pjDBZIBJ8HbUAUA0xta/FWJM3P8vtBGCMJplmfL8/RzvwvF5hP5zMu5nqcBw==
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

2026-09-17T09:55:22.571544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084501
observed 29d93be2fd2d5203c77c3a557caee401...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:22.552518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084501/manifest.json
observed 24e56e2eb3d8f759adac00c60765ed88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:22.533961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084501/publication.md
observed 33e26a475dd534d65a5890b61960e2ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:22.516854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084501/publication.txt
observed fe6c88cfcf5e413bb8a48d8130c963c1...
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.