OpenTechnical

OT-2026-000084959

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, sustained blow-off before 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-2026-000084959) never changes.

Identity and time

Publication numberOT-2026-000084959 · never reused
Internal UUID01a0ae99-43b7-7053-889b-e94f5a947070 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084959
StatusPUBLIC

Content hashes

Canonical textf356041fe00aeef269f9e81f0cfa793d4075eaaf66085a68d33d14244895ec46
Markdownb9f9eab8d9a2f793e27d6df2386b3c94df57810d1a7a7bc9dcb05336149012fa
PDF
Publication page0ff11311078ce2cb0803c7f9ba992d9bdbade9f9a1d74eee7ead4748f23a340a
Manifestdb80ebcbdc16260e4f843892d67575a9a2cd9276fc4d1be007d9a357db9c9c0a

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
SignaturejvkRnBHBditCdXlJo4H0wDWava4VHZALXIlBRW2eDTezYsET5vA49xXGD+NBYxr+lApYRMwLchncaBk9L8oFDw==
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

2026-09-17T09:54:57.235679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084959
observed 0ff11311078ce2cb0803c7f9ba992d9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:57.218814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084959/manifest.json
observed db80ebcbdc16260e4f843892d67575a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:57.202132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084959/publication.md
observed b9f9eab8d9a2f793e27d6df2386b3c94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:57.183460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084959/publication.txt
observed f356041fe00aeef269f9e81f0cfa793d...
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.