OpenTechnical

OT-2026-000031039

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, three stage ejector, 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-2026-000031039) never changes.

Identity and time

Publication numberOT-2026-000031039 · never reused
Internal UUID01a0ae74-3fb7-70d3-89b9-2ca649467339 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031039
StatusPUBLIC

Content hashes

Canonical text127455294b2341300d3832d7dccd7caf082dcd9b437fa49ec09b87813fe59293
Markdowndb9677c6690646ffadf80b7baacde7213eaccecb97badf68f5699b7fbc7994e6
PDF
Publication pagee3734805bba381aeea6c1f00eb7aecc1f9e3feee371a03777f6ff87affc662d9
Manifest2c118ad2414833c786ccb05a35a4b6a98f4509d96d55d79f742345877880525a

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
Signaturembl0ZHuYfurUV1jxQblLO6+UnWxnQkdX3lgVr9rya0VNGwTT3JwlfOwI4RwoOiSKwmA06B9Gk8TCmVD8D96DAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:40:08.325340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031039
observed e3734805bba381aeea6c1f00eb7aecc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:08.309345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031039/manifest.json
observed 2c118ad2414833c786ccb05a35a4b6a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:08.292317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031039/publication.md
observed db9677c6690646ffadf80b7baacde721...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:08.276218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031039/publication.txt
observed 127455294b2341300d3832d7dccd7caf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:37.194020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031039
observed e3734805bba381aeea6c1f00eb7aecc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:37.177302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031039/manifest.json
observed 2c118ad2414833c786ccb05a35a4b6a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:37.159057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031039/publication.md
observed db9677c6690646ffadf80b7baacde721...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:37.142444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031039/publication.txt
observed 127455294b2341300d3832d7dccd7caf...
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.