OpenTechnical

OT-2026-000076133

Publication integrity record

Foam pad vacuum gripper, four zone face, pump fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000076133) never changes.

Identity and time

Publication numberOT-2026-000076133 · never reused
Internal UUID01a0ae94-6a6f-774b-95be-56d50424e875 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076133
StatusPUBLIC

Content hashes

Canonical textd026c8972724cbbacb6c9ffc0284b74f92c8b4ef6f25a3114c25b9bd053f46c5
Markdown5e3bfa6ecdb9e04122a8afe504612e842dd92b9b570ef1d393df84d04296e2fd
PDF
Publication pagef159aca272dc40aaff6c516f5ff65dd9c08c6e02253e93676120380102a9c3a7
Manifest35ba8f1d365c478bc5728e92ac8609f916876ebe3ffbf6ed771b2b71a1c59180

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
SignaturenCUeTaUXQih+6AF1TiUVbZTgjLkdMNVtdUCjBu1himZlI3NtS2WPhY/DDeQswv3HEKzScNpCBHrE1mVUUn4WDg==
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

2026-09-17T10:11:08.731577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076133
observed f159aca272dc40aaff6c516f5ff65dd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:08.694124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076133/manifest.json
observed 35ba8f1d365c478bc5728e92ac8609f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:08.551489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076133/publication.md
observed 5e3bfa6ecdb9e04122a8afe504612e84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:08.532749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076133/publication.txt
observed d026c8972724cbbacb6c9ffc0284b74f...
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.