OpenTechnical

OT-2026-000030287

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000030287) never changes.

Identity and time

Publication numberOT-2026-000030287 · never reused
Internal UUID01a0ae73-e501-70bc-89ee-1fe93e7c6220 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030287
StatusPUBLIC

Content hashes

Canonical text8443db516ce335e343b8d231e58b6ecab579afbe5d22c3c8a2ca7198c6a2468e
Markdown78cdfce868af7b02eb59add6f4ea1566e6767d652f848eaab38f7915f803d77b
PDF
Publication pagef72089a935d75132e5d20ab84b0c3a0970b48204866ee2095c4b5b3059b1c9d0
Manifestd7736578c9d71d05cb24fcd95b557479af6cc774ebedb8390776dea91fc18c65

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
Signature9ALSEaEsQITFK721+MlGdLIKxB6t2mpU+zSK3NFz58/i1EZpdo6ca0V3M3w04k3jRsoTsjErdgn6x7tUGnbZBg==
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

2026-09-17T11:40:47.498732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030287
observed f72089a935d75132e5d20ab84b0c3a09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:47.478916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030287/manifest.json
observed d7736578c9d71d05cb24fcd95b557479...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:47.461919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030287/publication.md
observed 78cdfce868af7b02eb59add6f4ea1566...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:47.442477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030287/publication.txt
observed 8443db516ce335e343b8d231e58b6eca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:57.360401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030287
observed f72089a935d75132e5d20ab84b0c3a09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:57.340081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030287/manifest.json
observed d7736578c9d71d05cb24fcd95b557479...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:57.324451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030287/publication.md
observed 78cdfce868af7b02eb59add6f4ea1566...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:57.307753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030287/publication.txt
observed 8443db516ce335e343b8d231e58b6eca...
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.