OpenTechnical

OT-2026-000034478

Publication integrity record

Foam pad vacuum gripper, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000034478) never changes.

Identity and time

Publication numberOT-2026-000034478 · never reused
Internal UUID01a0ae76-1ed0-7ee0-ab9c-88f9d80683e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034478
StatusPUBLIC

Content hashes

Canonical text91939dee22ae5344b85f97018e5830875f1afa98891eff4ef7e689dd7d3c7117
Markdown717b944f9aa87cfee55988660be72950f175f8aa9761fbc6889c1c1c913f80a2
PDF
Publication page9087d2f2bf46866a6db140189f031c6d7518d7d418b862ddd735c69b002b017a
Manifest4a2a94a97f5db8b13647c2edf9b3bcc914649750280e85edbec6712ab6b24199

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
Signatureyg7wj0qjZI3T7BNVDW00jq6N3l8KjTcCCm0R4Qa22hJQyCbxlNI4rctonSjDX7mz5VvtTd+oluyGDQJW426xBg==
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

2026-09-17T11:28:48.480378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034478
observed 9087d2f2bf46866a6db140189f031c6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:48.464810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034478/manifest.json
observed 4a2a94a97f5db8b13647c2edf9b3bcc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:48.448457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034478/publication.md
observed 717b944f9aa87cfee55988660be72950...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:48.432568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034478/publication.txt
observed 91939dee22ae5344b85f97018e583087...
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.