OpenTechnical

OT-2026-000077464

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000077464) never changes.

Identity and time

Publication numberOT-2026-000077464 · never reused
Internal UUID01a0ae94-f50a-7624-8816-84bfed68d073 · 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-2026-000077464
StatusPUBLIC

Content hashes

Canonical text4043d20725849c126345afe2e7ef10af2fb5c5799c13d41b233280fdab141923
Markdownfa2bd2438bb2b72f040eb49739f376e51078a04e38b09be85c194ada62868254
PDF
Publication page0a2a190648a686aef54f1ab444f8757c60a3cd57d68c6a32cb69773237fce00b
Manifest2fe84d246512b4314eb5ea8a4466a7c91d8fdf0329a20ce74ffc1b0d3baf5889

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
Signaturez48jxXU32CUTujXSo4YC7j36yYxnm4bUKGHydwQkwYfmkcv8u7sJKo7d7OF7wLjT4l2sa3/cvkx5J8RVErZsCA==
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

2026-09-17T10:10:52.267873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077464
observed 0a2a190648a686aef54f1ab444f8757c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:52.247041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077464/manifest.json
observed 2fe84d246512b4314eb5ea8a4466a7c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:52.223198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077464/publication.md
observed fa2bd2438bb2b72f040eb49739f376e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:52.205234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077464/publication.txt
observed 4043d20725849c126345afe2e7ef10af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:23.302108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077464
observed 0a2a190648a686aef54f1ab444f8757c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:23.281193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077464/manifest.json
observed 2fe84d246512b4314eb5ea8a4466a7c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:23.262124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077464/publication.md
observed fa2bd2438bb2b72f040eb49739f376e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:23.241886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077464/publication.txt
observed 4043d20725849c126345afe2e7ef10af...
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.