OpenTechnical

OT-2026-000100697

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, pressure sensor per zone, 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-2026-000100697) never changes.

Identity and time

Publication numberOT-2026-000100697 · never reused
Internal UUID01a0aea3-66f3-7bd4-839d-a2091b9e8696 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100697
StatusPUBLIC

Content hashes

Canonical text1afeec99f63417a9c9b8583bbe35f044d507ed7c32d3015b9a9cf3f0d65dd437
Markdown30968e6ee2df78d93a8b8432eb525dbd688d1b203a1da85121bef176dac3126d
PDF
Publication pagefcced08809b4ca58d8ded2891352b8c6f31df85f39f8e256522def6fdecc1ee6
Manifest56109ae362d3d59e9f0f140f3e21144b60df6471bcc436e246a877d3be20a2cf

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
Signature37kzKkseLS/GGL8VP0O3zEyInPGoJhVcLX8sOAwCukghRs2GHSbWkwe1R3dRxbFj/dCD82aBMlbrFC5hzUf6Cg==
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

2026-09-17T09:27:30.938585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100697
observed fcced08809b4ca58d8ded2891352b8c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:30.920357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100697/manifest.json
observed 56109ae362d3d59e9f0f140f3e21144b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:30.901816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100697/publication.md
observed 30968e6ee2df78d93a8b8432eb525dbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:30.883796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100697/publication.txt
observed 1afeec99f63417a9c9b8583bbe35f044...
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.