OpenTechnical

OT-2026-000077478

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, vented after set-down

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-2026-000077478) never changes.

Identity and time

Publication numberOT-2026-000077478 · never reused
Internal UUID01a0ae94-f50a-710c-8e49-32679d847ab0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077478
StatusPUBLIC

Content hashes

Canonical text62ffbad8c8b8ba334a3223c4064e75a2b1a6dfa9a67ec673769587142f9b8b93
Markdownc4e2cf77bd28db36235fe871f4df8975124d0cbc638b3ac8c9b7e4b249d62c4a
PDF
Publication pagedc1353b90ced6864ca9b9aa62a1907d5a5705620592db4a4d68518e4331971f6
Manifestfeac21fc17e977bbd0fa72d4b0ef849f230924cbca729acc3bc02a15deb57be6

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
Signatured3co153jAXZ8avZLtMhJG7bGB5F7UehRWa+R8Qg4XpkkIbfon+SlTV6I+DinX+LbOnm3kJS88BjU08nJbYw8AQ==
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

2026-09-17T10:11:05.241006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077478
observed dc1353b90ced6864ca9b9aa62a1907d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:05.221998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077478/manifest.json
observed feac21fc17e977bbd0fa72d4b0ef849f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:05.203020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077478/publication.md
observed c4e2cf77bd28db36235fe871f4df8975...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:05.062532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077478/publication.txt
observed 62ffbad8c8b8ba334a3223c4064e75a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:27.046552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077478
observed dc1353b90ced6864ca9b9aa62a1907d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:27.030256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077478/manifest.json
observed feac21fc17e977bbd0fa72d4b0ef849f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:27.012919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077478/publication.md
observed c4e2cf77bd28db36235fe871f4df8975...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:26.995850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077478/publication.txt
observed 62ffbad8c8b8ba334a3223c4064e75a2...
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.