OpenTechnical

OT-2026-000102580

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three stage ejector, pulsed blow-off after 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-2026-000102580) never changes.

Identity and time

Publication numberOT-2026-000102580 · never reused
Internal UUID01a0aea4-858a-718f-b37c-5cfb36dafba7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102580
StatusPUBLIC

Content hashes

Canonical text9b57f608446cedcc5695d6b415b4bb4dc71d80f67e094f30e58c3caaa5a3e2c5
Markdownb9f79c3b2bfbd5bff1c1d1bb3f6ebca0c8815278eddf8b4a364ddeeba07e60c9
PDF
Publication page00ebde0279f5f982b91f39c330b48e263216cf1e9e5c20c068c1dd40aef92e10
Manifest21f46fa8fb4d16ec9d0ad76f346911dbcce18bb80e0db9e4b26f853ccd2579f5

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
Signature2UCOQBFakUULwbrgBd0Pm4mwhqDPasOISyTpc3J9yzpWJliQuwNYXK7W28EFCMhx1g/nfICArsx4JmbfR5kyAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:03.952960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102580
observed 00ebde0279f5f982b91f39c330b48e26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:03.934047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102580/manifest.json
observed 21f46fa8fb4d16ec9d0ad76f346911db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:03.917735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102580/publication.md
observed b9f79c3b2bfbd5bff1c1d1bb3f6ebca0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:03.900482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102580/publication.txt
observed 9b57f608446cedcc5695d6b415b4bb4d...
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.