OpenTechnical

OT-2026-000015853

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000015853) never changes.

Identity and time

Publication numberOT-2026-000015853 · never reused
Internal UUID01a0ae6e-0c4c-7a78-9873-3dc89c8421f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015853
StatusPUBLIC

Content hashes

Canonical textdf3852ea4c7a61c79bbb40b53c1513be54d203e0ac5347bb07ce1a360bf7fab5
Markdownadfa2a4291b16ddd66d38cb06a7a6529475a002410564e90c6270f29051174d8
PDF
Publication page57089dfb11437ca132cccb857ce14b461b7eb867d0d2c50f5abc3c144c22b04d
Manifest308f57bd9c5f904955c8da5e5e29b268300d130ced589858bd2cfb7a6571f689

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
SignaturePoYUcWGh4k7DGK8HDa6aPgJnbEFLXMHSWrgmLOb9ZrpWtJuPgHNfeWqXihB+YVt8BzTkpm1SyN8u5KItpGdxAw==
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

2026-09-17T12:05:17.513933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015853
observed 57089dfb11437ca132cccb857ce14b46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:17.490309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015853/manifest.json
observed 308f57bd9c5f904955c8da5e5e29b268...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:17.381360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015853/publication.md
observed adfa2a4291b16ddd66d38cb06a7a6529...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:17.360737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015853/publication.txt
observed df3852ea4c7a61c79bbb40b53c1513be...
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.