OpenTechnical

OT-2026-000084574

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, sustained blow-off before 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-2026-000084574) never changes.

Identity and time

Publication numberOT-2026-000084574 · never reused
Internal UUID01a0ae98-e25b-76c3-8be0-4c460fe24472 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084574
StatusPUBLIC

Content hashes

Canonical text5bed654aa15e2b4adf8cc6b13e619158c5b430004192a37e3202e8ab400f79f0
Markdown19592d55b0fc2436e0a590ca97a71de1fcfd52bad75ec84f699ff87fe37e228c
PDF
Publication pagec29dc72f62f92819d3a72e860b2b1b25c3441c88d526c7049514fb27b5e2a14d
Manifestd0dc9dc2fb475a81ea05a0b0e4ed96b7b51cef728b836bf3f96a0eedce0b2b38

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
SignatureEbh9GmCCAwLJK1p+0hWW8MGkKT4cOXv9aREwREwgmbJwxXfpNXFxwlc6JeSIIgIIY7clRwnM+Jk4pe+ccrlcAQ==
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

2026-09-17T09:55:28.312515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084574
observed c29dc72f62f92819d3a72e860b2b1b25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:28.295928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084574/manifest.json
observed d0dc9dc2fb475a81ea05a0b0e4ed96b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:28.279470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084574/publication.md
observed 19592d55b0fc2436e0a590ca97a71de1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:28.262993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084574/publication.txt
observed 5bed654aa15e2b4adf8cc6b13e619158...
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.