OpenTechnical

OT-2026-000082045

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, 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-2026-000082045) never changes.

Identity and time

Publication numberOT-2026-000082045 · never reused
Internal UUID01a0ae97-4d92-71c3-918a-89f8365a02a7 · 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-2026-000082045
StatusPUBLIC

Content hashes

Canonical text8b3174eaa44b1f7e9a6641d0596d7012a720ff9a6fb356db9452442032d038ff
Markdownc16d596d99c59718206079dad7f5b17b37673e1d14a739a6ad542aa3ad7071d5
PDF
Publication pagea2f8510f8e962fbfab8a11e74f7fa1bb3ab0e5f382d62005bf61bc1335c72dc0
Manifest78e0cb5be47da91d5bfce3410829359d605211a538b41f6f5b19be1d59ae763b

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
SignatureO8HzJNRbffzZtnTr+vJ9BFUlnArUvVeNHEZPnu1Cb0NrGUZa7LQ4jN+2XVtdY9vsh21NRWfL3inWygCzW8gKAg==
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

2026-09-17T09:58:50.481882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082045
observed a2f8510f8e962fbfab8a11e74f7fa1bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:50.464131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082045/manifest.json
observed 78e0cb5be47da91d5bfce3410829359d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:50.447752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082045/publication.md
observed c16d596d99c59718206079dad7f5b17b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:50.431702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082045/publication.txt
observed 8b3174eaa44b1f7e9a6641d0596d7012...
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.