OpenTechnical

OT-2026-000103625

Publication integrity record

Four bellows cup vacuum gripper, four zone face, 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-2026-000103625) never changes.

Identity and time

Publication numberOT-2026-000103625 · never reused
Internal UUID01a0aea4-e461-71d2-8a9f-2854c577fbd3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103625
StatusPUBLIC

Content hashes

Canonical text5ff81b72f3549d208df3c108ac96ef9a86ba51bffb07e843bf2b70e482e86e4c
Markdown70f43c695a9948aa49b6a8e95e734f23fb599cdf021ef6c5ed044af9a2492082
PDF
Publication page221d87f1ac734fc2d2ef6175a75e44972355b29a1eb8b5df7f9d2447ec8b3467
Manifeste50a4263b8617d6c8d6b4c871424bba97470cccef4b447e01d289fdb551ab5d3

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
Signaturenip5QORzYBMdIT26Nj2ZBMrlTKUAMJ23t03R+r1sbJoSCJ9jQZRHuDogU+AmCfA+AWGC/jViyFccg0R3w4POAA==
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

2026-09-17T09:22:25.177219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103625
observed 221d87f1ac734fc2d2ef6175a75e4497...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:25.161004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103625/manifest.json
observed e50a4263b8617d6c8d6b4c871424bba9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:25.142755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103625/publication.md
observed 70f43c695a9948aa49b6a8e95e734f23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:25.125553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103625/publication.txt
observed 5ff81b72f3549d208df3c108ac96ef9a...
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.