OpenTechnical

OT-2026-000062830

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, vented 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-2026-000062830) never changes.

Identity and time

Publication numberOT-2026-000062830 · never reused
Internal UUID01a0ae8c-94a7-7ac0-bba4-95996f64b81c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062830
StatusPUBLIC

Content hashes

Canonical textaae40f64bd5e93b1268b770e7087fd89e902557d64add77bc118d4deb053cbf7
Markdown23f1e86035bb180f20b9a664b03e8e41186a4fc0147ed6e3456e01991f5402a0
PDF
Publication paged1e8146df06d4eb1fc26f0fa918d1637d222eaafd146c3e713a13084ec0e4d8d
Manifest6e8408c4e4589cc0848bc47ddf9743764ddd8c2060e19f009732ba8059461953

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
Signaturej+4VCgpd+THDws72YSWw2ykYpW/dhs0tmXrbRPt0kXaiPrUeIiTiKhYLGSh6CEuIr7aWUAR9X3cvLj4hu9PdAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:40:08.792499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062830
observed d1e8146df06d4eb1fc26f0fa918d1637...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:08.758109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062830/manifest.json
observed 6e8408c4e4589cc0848bc47ddf974376...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:08.735814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062830/publication.md
observed 23f1e86035bb180f20b9a664b03e8e41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:08.715316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062830/publication.txt
observed aae40f64bd5e93b1268b770e7087fd89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:31.259346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062830
observed d1e8146df06d4eb1fc26f0fa918d1637...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:31.240601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062830/manifest.json
observed 6e8408c4e4589cc0848bc47ddf974376...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:31.224118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062830/publication.md
observed 23f1e86035bb180f20b9a664b03e8e41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:31.202473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062830/publication.txt
observed aae40f64bd5e93b1268b770e7087fd89...
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.