OpenTechnical

OT-2026-000080269

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, plant vacuum fed, 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-2026-000080269) never changes.

Identity and time

Publication numberOT-2026-000080269 · never reused
Internal UUID01a0ae96-7e77-7351-896b-7be2e3fb4474 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080269
StatusPUBLIC

Content hashes

Canonical text72425449be39f982126514be9951661fda607a27016fe9ca49ea3ed585c53b66
Markdownc2ad44ad3c1248be2d1353c5a8e6b4283622ea23f0d9d9bc99cff568b36d4b5d
PDF
Publication page2f6892f63b7ff6149efa8fa8fe88e07f72f9dc1265606467eb7977574fcdcf9e
Manifest44cea37c1df91be8c5ffb7819e9e618184700ec361e517dd0756b4231aa454b1

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
SignaturefovJB2L2vtD4hzVmhkoZiqGWPBh5MGGaZTYkvJXUvydVfkG9B8Lk9BYhyKIZczY+VntYUtBoQVkYJQJporVzBA==
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

2026-09-17T10:02:33.837744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080269
observed 2f6892f63b7ff6149efa8fa8fe88e07f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:33.818648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080269/manifest.json
observed 44cea37c1df91be8c5ffb7819e9e6181...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:33.797841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080269/publication.md
observed c2ad44ad3c1248be2d1353c5a8e6b428...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:33.781271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080269/publication.txt
observed 72425449be39f982126514be9951661f...
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.