OpenTechnical

OT-2026-000085543

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump 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-2026-000085543) never changes.

Identity and time

Publication numberOT-2026-000085543 · never reused
Internal UUID01a0ae99-aaac-7e8b-a896-cc8d040c2021 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085543
StatusPUBLIC

Content hashes

Canonical text399b4994f1749d49f0caf241f06111bee7addc0fd30da4b3a272a9727849e147
Markdown692fb66ea308633a1fd9fe278b1597405de7a18404de3fcaa35672b8e6fef6be
PDF
Publication page03a41a50a4911d86440af0419d31911403f7130a5b0430998b46c19e9ba5fab8
Manifest0464b12a9cb541dd04dbae7b31ec82ccee2fda9db7a51d925db1a1e8fa07e769

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
Signatureh8S5wlaJhLEFEEniaF3UHM3wvkdB0j8dLzEdm3eiY+isdPEZzX1w69fsSQNs9U2wfEe6DJvynwnH+Bo9rQsADw==
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

2026-09-17T09:54:21.694062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085543
observed 03a41a50a4911d86440af0419d319114...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:21.677543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085543/manifest.json
observed 0464b12a9cb541dd04dbae7b31ec82cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:21.661150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085543/publication.md
observed 692fb66ea308633a1fd9fe278b159740...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:21.645608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085543/publication.txt
observed 399b4994f1749d49f0caf241f06111be...
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.