OpenTechnical

OT-2026-000100516

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, three stage ejector, pressure sensor per zone, sustained 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-2026-000100516) never changes.

Identity and time

Publication numberOT-2026-000100516 · never reused
Internal UUID01a0aea3-66f0-7ddd-8a25-ffe5053d753b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100516
StatusPUBLIC

Content hashes

Canonical text51ed749fa06be9c0db65b81cda060b1f6887e61839ea9684384a7991f0dbad29
Markdownfc59f8bf8c593cfcd29934bda913c99c6782adc80a9cdca8e781def1bc9c6186
PDF
Publication pagef15451441d103171f0687d8868476483f663eafd990fc0da9cf52696850e1b9e
Manifest6b897655ede2b3103b118b2772ff0517f3d6aa026ee6532b8dba04266e3e7603

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
SignatureINPLh++SHeEgUsVhPCSKwtjw7PpmkR+QvUWK5+1RfEvi+VJwvVpNmT4msN3h+kJRWl2Fo4ozl0NcKYghq+7/Ag==
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

2026-09-17T09:27:16.985499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100516
observed f15451441d103171f0687d8868476483...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:16.968125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100516/manifest.json
observed 6b897655ede2b3103b118b2772ff0517...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:16.950201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100516/publication.md
observed fc59f8bf8c593cfcd29934bda913c99c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:16.932381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100516/publication.txt
observed 51ed749fa06be9c0db65b81cda060b1f...
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.