OpenTechnical

OT-2026-000009389

Publication integrity record

Single cup vacuum gripper, pump fed, 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-2026-000009389) never changes.

Identity and time

Publication numberOT-2026-000009389 · never reused
Internal UUID01a0ae6b-7561-7bd4-b2b3-a006aa72d4aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009389
StatusPUBLIC

Content hashes

Canonical textc5f41726295d2f92c2692c4ec3122b2ea8883e8269d245f978ba9d9687a1e872
Markdown7cb3aad0e76a29ccbd50fdb147337fa0e59d76d826e08c75d390b44c875da704
PDF
Publication page3a08da236bc1ba832bde6a20c70c3e7de48813740a308610a83497d691c2d951
Manifest3c9ac9e26272fd84e11fc2c4f0227b97b5b869edf2074f7a51964fcecda9e800

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
SignaturefHcQ2+eaQsIJH8DUoUzQbaBglcXUWcb2tYG8sYo+vELFhl9M1ItYYwA9EHlwgksQ82ez6T7s4ZkeOE6YdasZCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:39.885917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009389
observed 3a08da236bc1ba832bde6a20c70c3e7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:39.866152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009389/manifest.json
observed 3c9ac9e26272fd84e11fc2c4f0227b97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:39.846723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009389/publication.md
observed 7cb3aad0e76a29ccbd50fdb147337fa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:39.830324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009389/publication.txt
observed c5f41726295d2f92c2692c4ec3122b2e...
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.