OpenTechnical

OT-2026-000012497

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, pulsed 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-2026-000012497) never changes.

Identity and time

Publication numberOT-2026-000012497 · never reused
Internal UUID01a0ae6d-39f7-78ea-a077-f8f704dfaeae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012497
StatusPUBLIC

Content hashes

Canonical text737cf789a732516413bf0f682cabf419963d45ee27eb62ca280b79464ce69051
Markdown630fbb346c9871ed9e0c6c8180d4b079c027f54f7a408c1d6e8c9ad83041154f
PDF
Publication pageeb7f75302f7a1034c0c4faa268fae1ca3154e926ef691a2b072bfa0ff3b4e47d
Manifeste7ab7a8e13715a146932a331c6b0de3196ebd71fa1731f1d0c43980b559b14c5

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
SignatureOJLZuc940+FVV/k39wp0n0T06jHSeQzhse1/j02Go6GaLsnMMc3TOw4/m5RQ/pWo/iNZu/EPFhKAGr0vID9AAQ==
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

2026-09-17T12:12:00.885486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012497
observed eb7f75302f7a1034c0c4faa268fae1ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:00.867755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012497/manifest.json
observed e7ab7a8e13715a146932a331c6b0de31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:00.847550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012497/publication.md
observed 630fbb346c9871ed9e0c6c8180d4b079...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:00.826992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012497/publication.txt
observed 737cf789a732516413bf0f682cabf419...
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.