OpenTechnical

OT-2026-000041546

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, sustained 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-2026-000041546) never changes.

Identity and time

Publication numberOT-2026-000041546 · never reused
Internal UUID01a0ae79-e89f-7a2c-b9cd-dec0140272b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041546
StatusPUBLIC

Content hashes

Canonical textd1382cd2fc5f7ca55ec54ba086b79499962ac794b47ae0b1dd13d018eae68089
Markdown781983884fa850b4a15056a847808e947d34d6d388815408a0bf3587f95c4012
PDF
Publication paged17fd044ca3de29c0e694f5e799a423e581237e3ea7de5ac87b9879f0a350399
Manifest6cb1acaf2e9e3b265d88693e9cb8b94c233c9c87bd7b8ab830fea4aae7504f9f

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
SignatureAZhAX8tCS1U4DaJV6RUtZqZD5r/8TPGLcVeXOz9u/3JYd75nUAQ96Q/AxUWdEPtZvroeoE2/hqjignWAEqjpAw==
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

2026-09-17T11:16:19.326802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041546
observed d17fd044ca3de29c0e694f5e799a423e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:19.308938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041546/manifest.json
observed 6cb1acaf2e9e3b265d88693e9cb8b94c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:19.291310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041546/publication.md
observed 781983884fa850b4a15056a847808e94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:19.273599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041546/publication.txt
observed d1382cd2fc5f7ca55ec54ba086b79499...
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.