OpenTechnical

OT-2026-000065363

Publication integrity record

Foam pad vacuum gripper, two 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-2026-000065363) never changes.

Identity and time

Publication numberOT-2026-000065363 · never reused
Internal UUID01a0ae8e-1dfb-74f9-bbe9-e61126278ff7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:04.519862Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065363
StatusPUBLIC

Content hashes

Canonical textd4ab1c6cc78e69214bcac1f64c511b71a9c3ac232793bb6fa5fc4bb53a4c2dc3
Markdown82e8cf8348b5d0ec6cd87240953e9759137983be3ab18620fb644decbe90ff70
PDF
Publication page342a1b49abf8f14acc5beacf3d0b67e456ae2330a2258bd6c9498b3417e4b625
Manifestf891762715f512783e0d95199820488014c8ffe8b2fa1f8da9e49e197cde607f

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
Signatureay+xeLiZiYl1ed40tq7EKnXNh2RPYunru0eh+GBFKlVuOGUAm02aZv3WB6+Xl587OadPCJbtwXXhPIV0TdiPAw==
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

2026-09-17T10:35:21.100212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065363
observed 342a1b49abf8f14acc5beacf3d0b67e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:21.082448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065363/manifest.json
observed f891762715f512783e0d951998204880...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:21.065187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065363/publication.md
observed 82e8cf8348b5d0ec6cd87240953e9759...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:21.048236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065363/publication.txt
observed d4ab1c6cc78e69214bcac1f64c511b71...
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.