OpenTechnical

OT-2026-000073261

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000073261) never changes.

Identity and time

Publication numberOT-2026-000073261 · never reused
Internal UUID01a0ae92-efb7-7042-9ce3-d23ee7f49242 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073261
StatusPUBLIC

Content hashes

Canonical text0a20f58af4e9cc3cb6eef5b5093a46337ad70e1b99019e2de37f324f766e1457
Markdowna6274c54f206b69a48ec39ab23c90351825c32f5e360abcc75c062cda920c1c2
PDF
Publication pagefb33e24533e29b1b26e3ab4d5ec291699e28b5dd6b256d6593c4e3948ac099e2
Manifestb7b9cb0a22a9a4c11e74d02973f1b3bd7780a4ff2dc86ae7394db8b5a087942f

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
Signature0EnnGFjDMEcMNHv1Er3TpNqb3qT+glT0Fp/FqnOebg44+Rdj5MSwxFjzLa2tfR4zRrE9LumESu+cBnXkMZv/Dw==
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

2026-09-17T10:21:15.658041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073261
observed fb33e24533e29b1b26e3ab4d5ec29169...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:15.636701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073261/manifest.json
observed b7b9cb0a22a9a4c11e74d02973f1b3bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:15.617697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073261/publication.md
observed a6274c54f206b69a48ec39ab23c90351...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:15.599080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073261/publication.txt
observed 0a20f58af4e9cc3cb6eef5b5093a4633...
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.