OpenTechnical

OT-2026-000025429

Publication integrity record

Six cup vacuum gripper, six outlet manifold, 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-2026-000025429) never changes.

Identity and time

Publication numberOT-2026-000025429 · never reused
Internal UUID01a0ae71-5fa7-7609-b65f-06567f8222be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025429
StatusPUBLIC

Content hashes

Canonical text63d9703b775836e782cbf187d7405c8cc40250014820ec5251561e0941daa507
Markdown50cf2c8358589c1cd421dc424134b6ad54c596237ace6d3024901541eacb75b1
PDF
Publication page4cbf6198e3d6d1980e8cd5fc12d7ff9ce9ae83ed0bd2fa1f684441d5217deef0
Manifest14631609f1b1d4c651de6450e7ebbc38f26dc352269443c3c20beb6ec14e2931

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
SignaturecEhScq+iLkFt8eq1qKbTJdNODwrAKbe2NhrGll8Igm+7MXE1Z9f4elWxtosdeDBbT/2/RW+TSjMj7fOrnMmiDg==
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

2026-09-17T11:47:30.517037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025429
observed 4cbf6198e3d6d1980e8cd5fc12d7ff9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:30.500513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025429/manifest.json
observed 14631609f1b1d4c651de6450e7ebbc38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:30.482887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025429/publication.md
observed 50cf2c8358589c1cd421dc424134b6ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:30.466443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025429/publication.txt
observed 63d9703b775836e782cbf187d7405c8c...
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.