OpenTechnical

OT-2026-000064551

Publication integrity record

Three cup vacuum gripper, three 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-2026-000064551) never changes.

Identity and time

Publication numberOT-2026-000064551 · never reused
Internal UUID01a0ae8d-a462-7bee-bf3f-798eb94fab4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064551
StatusPUBLIC

Content hashes

Canonical text720023c9f9cba6224455f75738f2028f6bda25d492f8a97ce13905cf107e0432
Markdown3ad27135a5c1fe6fa5380c079536b59972e651c54e34de1d1999a6c36b95c3c8
PDF
Publication page4dd665aab9ee534a02da4b7d112f14c54fdbb7f59cfcb6826a50de8a0f7a3ce0
Manifestfb392efd7969ce5057dcc58036016372d44d018b7937f08d2de6d92d64794280

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
SignatureN8W2w5/yQgLGV4xhJrsxPEgFbh1hQF7IraND44QFWsEirP7s2RgPm9QMg4wYX7b1UAi6CFLph/6xQRYdBLuWCg==
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

2026-09-17T10:36:46.236997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064551
observed 4dd665aab9ee534a02da4b7d112f14c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:46.219606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064551/manifest.json
observed fb392efd7969ce5057dcc58036016372...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:46.201652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064551/publication.md
observed 3ad27135a5c1fe6fa5380c079536b599...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:46.183830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064551/publication.txt
observed 720023c9f9cba6224455f75738f2028f...
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.