OpenTechnical

OT-2026-000100667

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, sustained 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-2026-000100667) never changes.

Identity and time

Publication numberOT-2026-000100667 · never reused
Internal UUID01a0aea3-66f3-7c89-873d-afe23911c1ad · 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-2026-000100667
StatusPUBLIC

Content hashes

Canonical text40b08604b362581bd94dd03f446a9b763c63a443cb8cde25ae16757d1ef45a9c
Markdown561bded27c40fc98268f0e4381821ecd6b710d1a96a15389ab1839059098dbd2
PDF
Publication page8cd27a2b0bdb7c62401c8e92131cc630206015d1a7e14566b6d52c7ecd097f0e
Manifest3c46ef7b11e1b1a4792ec4f1f7689a7900d78426fd22ecacf84c7ffc08fd2f51

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
SignatureE07dHOjNKeKhCpCznX+9bOZW7t1bqB8jNiIwwd4bVuxNDCJQ98Wa/WaswSPtNt7VdLoDoaav4ov7GXUAV9lwBg==
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

2026-09-17T09:27:28.666032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100667
observed 8cd27a2b0bdb7c62401c8e92131cc630...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:28.648648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100667/manifest.json
observed 3c46ef7b11e1b1a4792ec4f1f7689a79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:28.599534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100667/publication.md
observed 561bded27c40fc98268f0e4381821ecd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:28.560118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100667/publication.txt
observed 40b08604b362581bd94dd03f446a9b76...
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.