OpenTechnical

OT-2026-000083472

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000083472) never changes.

Identity and time

Publication numberOT-2026-000083472 · never reused
Internal UUID01a0ae97-c965-77a3-a14e-6a06d50e51b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083472
StatusPUBLIC

Content hashes

Canonical text14c5395675faf3cadbeddae0083ef9ffc7dc70e4887f78f35dd93b53aee3e686
Markdowne7fe52cf90bee79bceb80806c37f647e2d9ad25115997c9b754e0df082c570f8
PDF
Publication pagefde1624b1da5d92343606a861b531fb2b858ce170fcd6d88d4109ae5ff4b4ae3
Manifest4f49a2ce74080c81dda0f0de0d9f7c7f4676d3a1acdd4c15dfddf3a1265d15c4

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
SignaturehSxDiEy5yuPnkYjAbgzPiFfsmc4oK68OwMbnz4jDatf+kbRy5StTqJhtHu522v0YtXl9/X2oJeGOMzfn1rwjDw==
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

2026-09-17T09:57:53.647719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083472
observed fde1624b1da5d92343606a861b531fb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:53.631532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083472/manifest.json
observed 4f49a2ce74080c81dda0f0de0d9f7c7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:53.616895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083472/publication.md
observed e7fe52cf90bee79bceb80806c37f647e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:53.598609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083472/publication.txt
observed 14c5395675faf3cadbeddae0083ef9ff...
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.