OpenTechnical

OT-2026-000082258

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000082258) never changes.

Identity and time

Publication numberOT-2026-000082258 · never reused
Internal UUID01a0ae97-4d94-70e9-9127-81d5d90867a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082258
StatusPUBLIC

Content hashes

Canonical textcaca43264e200d65d17f445ba16614f319a7853c077e646f32620822789626a9
Markdownababa3c4691ed48ae587df57a804d981d2240141736e75d7bc380e5f0193d832
PDF
Publication paged802922390e38102b2556210592a7268ad687d0a5c6ee67842baf3076ed13d28
Manifest849b3da56fdb3c0493cc6d9b1691a259459414736ad87ef611a6c8c7b7b43cbe

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
SignaturesrPgquzgAnvqO9vTkC6Fw7KrTKbzlFxidQcA2++HwoQYKyTBqIp8vllEWi5vIvCJq1bUtatsVsEIayNn6G7XDg==
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

2026-09-17T09:59:06.575112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082258
observed d802922390e38102b2556210592a7268...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:06.558222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082258/manifest.json
observed 849b3da56fdb3c0493cc6d9b1691a259...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:06.540510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082258/publication.md
observed ababa3c4691ed48ae587df57a804d981...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:06.523051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082258/publication.txt
observed caca43264e200d65d17f445ba16614f3...
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.