OpenTechnical

OT-2026-000097514

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000097514) never changes.

Identity and time

Publication numberOT-2026-000097514 · never reused
Internal UUID01a0aea1-55b4-7e1d-9dcc-ff3d7a080a81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097514
StatusPUBLIC

Content hashes

Canonical text8d69506f391c004e7b271b13f84c499ac6fd1028773e610508fb0ce9303bac59
Markdown2adb4a4e7be3e8c4336bd928fef340df1cd595bd6909036679814ecfad217ba5
PDF
Publication page40c90a935f143631fcc953a3caa6d2fc43826d0ca1d1e2c18d30e878e120dd5c
Manifestb9612e97bdb59c597588ba5530ad44a24c855ea476608aab0d1f9ca1c078ff96

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
SignatureW8q1ajc3x46PByuxdZX9BuV8lweEdloHQrZXT43Deiwf7vO8NcYjYfuaPyIeETeYbm0fekHPocAHdLk5JqP7CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:23.430565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097514
observed 40c90a935f143631fcc953a3caa6d2fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:23.413768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097514/manifest.json
observed b9612e97bdb59c597588ba5530ad44a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:23.397457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097514/publication.md
observed 2adb4a4e7be3e8c4336bd928fef340df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:23.380266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097514/publication.txt
observed 8d69506f391c004e7b271b13f84c499a...
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.