OpenTechnical

OT-2026-000017330

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000017330) never changes.

Identity and time

Publication numberOT-2026-000017330 · never reused
Internal UUID01a0ae6e-76c8-7c69-93ee-96d500689ed4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017330
StatusPUBLIC

Content hashes

Canonical textff7052da37c881a91285dda80c638dc4cb3adc3310b352700491ed0d9647ae64
Markdown67037bc9c0f8763f3ac5406c581ee95217fd0d1d9a75a01b7ebf466db21d5a10
PDF
Publication pagea9c8cb8ddfc61f110a53035609e588b64a3270ebb88123a65b22b5030244a70d
Manifest5fc737ecb067cccbd703c98cce25975bdb64829c598c5afb41b3b21e3d479b53

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
Signaturer7qcG0puMH7Ks+PLHhcF7S6G76IX4e2g/AbWz3UtAPesBCP6cES/ulbf0QhOmZZpy0exg7tc3ZZUAvRiaxUmCA==
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

2026-09-17T12:02:26.194962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017330
observed a9c8cb8ddfc61f110a53035609e588b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:26.179195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017330/manifest.json
observed 5fc737ecb067cccbd703c98cce25975b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:26.161392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017330/publication.md
observed 67037bc9c0f8763f3ac5406c581ee952...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:26.121210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017330/publication.txt
observed ff7052da37c881a91285dda80c638dc4...
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.