OpenTechnical

OT-2026-000072988

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000072988) never changes.

Identity and time

Publication numberOT-2026-000072988 · never reused
Internal UUID01a0ae92-c815-7c17-9bdb-76c224884b5d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072988
StatusPUBLIC

Content hashes

Canonical text0c7460b08c9326be33e25cfeac21289efe99f772a657bde91fb1549ad6a9f0d8
Markdowna2de54bcb28b6fe0c53b13b2a7a79f6f021ce4c52838239dd640f08ef1507291
PDF
Publication pagea866b09ad21c40d20be98b30045fe82b8fcec7f2fc5dee66f0faf81d03824b6c
Manifest3ceaa38e60ceb8c28f21cf7989b7b7ffba3b4823cbeac6e54f923625fbdd537e

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
SignaturefmCo6cdrYek5S8lHeICxUP5n/2ZSoMS9uJCgfKW7tfgfBRzr8/bY2MZX0pdcOWVBfsNc6LiwnZyjaKoQDQ4nDw==
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

2026-09-17T10:21:55.158879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072988
observed a866b09ad21c40d20be98b30045fe82b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:55.141718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072988/manifest.json
observed 3ceaa38e60ceb8c28f21cf7989b7b7ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:55.124726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072988/publication.md
observed a2de54bcb28b6fe0c53b13b2a7a79f6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:55.106834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072988/publication.txt
observed 0c7460b08c9326be33e25cfeac21289e...
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.