OpenTechnical

OT-2026-000067413

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000067413) never changes.

Identity and time

Publication numberOT-2026-000067413 · never reused
Internal UUID01a0ae8f-6bd8-7d06-a9bf-85c4cdbc98a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067413
StatusPUBLIC

Content hashes

Canonical text5bab25c3b2fde4b8275f9cee5f584d8064d83de6e8786dfd52350d0a5a170ceb
Markdown838f520ecd32bac75499b4c45962651026da9a6a894ac434648aca8e86c2db99
PDF
Publication page9a10fef72dc4f1765ac06dfe287a82eba4b6b9b9e5e8fcb3eabbf07a8ae1afb9
Manifestcdc26a73bea2356410e2eeb297ad55be47b960c453334ee776512fb7ec84e38a

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
SignatureZbk2gnjW1PHC2yH4IcGi6AG2apQkksOc4jTudSJmyjJI9bqbzD4rex+O/XCEJluDyqnM2YQ5LGfVr9oDHkAwAw==
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

2026-09-17T10:31:36.588965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067413
observed 9a10fef72dc4f1765ac06dfe287a82eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:36.572378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067413/manifest.json
observed cdc26a73bea2356410e2eeb297ad55be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:36.554836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067413/publication.md
observed 838f520ecd32bac75499b4c459626510...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:36.536748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067413/publication.txt
observed 5bab25c3b2fde4b8275f9cee5f584d80...
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.