OpenTechnical

OT-2026-000065779

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, pump fed, 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-2026-000065779) never changes.

Identity and time

Publication numberOT-2026-000065779 · never reused
Internal UUID01a0ae8e-46fb-790e-ab82-880ecbe6c11b · 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-2026-000065779
StatusPUBLIC

Content hashes

Canonical text066aff834193531b94d9db3882267b147ccb694a056ac524b359fb8fb8fb2a57
Markdown371ff8cf5dcfc95f6e99e2914a265259a8add6f7d5382b450b0779f953c27531
PDF
Publication pagec3df1b8f8ac09e2b9497bab147134e9c7a9a432a3bc568fd4a198c67d35fa2c6
Manifestb86dc2b9a475deae305c671aa3b5de884a5c23083dc4deb014c3fe321e311b3a

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
SignatureBUwuIBArVN5T0+1N95S/jMihKO0Eksx0yeF6ZUIYKaUB1YRUAd0ng/Kql0fhBzdCYA0Md8ImjWxoCNG1s4msAg==
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

2026-09-17T10:34:12.969904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065779
observed c3df1b8f8ac09e2b9497bab147134e9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:12.952291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065779/manifest.json
observed b86dc2b9a475deae305c671aa3b5de88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:12.933670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065779/publication.md
observed 371ff8cf5dcfc95f6e99e2914a265259...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:12.914905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065779/publication.txt
observed 066aff834193531b94d9db3882267b14...
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.