OpenTechnical

OT-2026-000071194

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000071194) never changes.

Identity and time

Publication numberOT-2026-000071194 · never reused
Internal UUID01a0ae91-e0eb-7179-ba90-bed102a1bb98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071194
StatusPUBLIC

Content hashes

Canonical textd72069ebeb5b1bae1fc60ec5073b654cd66495a149b3549399aa5b91e32e34a0
Markdownfcef63c1960a3651fd63b3de49eb08013a162cd9be9f59d62f1c1b17a66aa91b
PDF
Publication paged0035e2e9a6b1e00a2ec1067775eec5fdb1c3d234e52ba780143b9a29ad1b8dc
Manifest3fd7f8268023b926d8079ba78618e10f818a9790f99f2629e6937946f16b7ce3

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
SignatureKnYDky8w3imb7chTWLSdf66zpJ2zFjHddYPWxPcoO1RqOAB9Eg8FIfnunFyciRKk8WNelOV2ijiKdq4W0/c2DA==
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

2026-09-17T10:24:42.824515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071194
observed d0035e2e9a6b1e00a2ec1067775eec5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:42.807379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071194/manifest.json
observed 3fd7f8268023b926d8079ba78618e10f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:42.789217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071194/publication.md
observed fcef63c1960a3651fd63b3de49eb0801...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:42.772187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071194/publication.txt
observed d72069ebeb5b1bae1fc60ec5073b654c...
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.