OpenTechnical

OT-2026-000045928

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, pulsed blow-off 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-2026-000045928) never changes.

Identity and time

Publication numberOT-2026-000045928 · never reused
Internal UUID01a0ae7d-8f87-7fb2-873f-b7cdd434cc58 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045928
StatusPUBLIC

Content hashes

Canonical text8da431d711927f51554c97b693beb287a401ebb06fca5a129fdade61c113732e
Markdowne5ca14d5f945bc7d0cdd76fab0ec2dc73d26f257619a80de381010a55464eec2
PDF
Publication page040da43cc53f13cd3ca3d1eb45edd36861ff3991763ba33677e6268f16d7e861
Manifest7d8d1a30ef944273dd7f56ea2cbe793d23c0a236a0e0b0f4c5072143cf3fefdf

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
Signature6mIRhyTcnhAUDYo/EZEQfEqmOJWeP3XXHfcrkAKrfD1g/eJa/9tARAe+OTfaRTyZk63Ri8vDHJSM1kIrk2WuCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:09:50.081787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045928
observed 040da43cc53f13cd3ca3d1eb45edd368...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:50.063927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045928/manifest.json
observed 7d8d1a30ef944273dd7f56ea2cbe793d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:50.044265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045928/publication.md
observed e5ca14d5f945bc7d0cdd76fab0ec2dc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:50.023217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045928/publication.txt
observed 8da431d711927f51554c97b693beb287...
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.