OpenTechnical

OT-2026-000015842

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000015842) never changes.

Identity and time

Publication numberOT-2026-000015842 · never reused
Internal UUID01a0ae6e-0c4c-7465-804f-0c7cfe6c79c0 · 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-2026-000015842
StatusPUBLIC

Content hashes

Canonical textca92573d993a0014a77148c86de689f45c513ab2eb40f197c892a91074ff0f21
Markdowncfc3e7901a8f0057e9c50d2d530aaf1dc6e51afe60caf35957f0493ce1983dae
PDF
Publication page2f5f5a3eb01b442be1d727e77e0ab151a4a18d5585a74cb59c8ce5bda936aa6b
Manifestd8090b449c3ca1de917dbcda6cbfe7a2d0f556934b87df87eedf89d14e8761ce

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
Signature67Prdzabz3kmniCM012CCFaVVdMi3RX3Qu+RHG4+l2FrFaXvU98dk4oYwo4WDxLrxWzid9QukeaaOUOx3B4rDg==
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

2026-09-17T12:05:09.927749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015842
observed 2f5f5a3eb01b442be1d727e77e0ab151...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:09.909342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015842/manifest.json
observed d8090b449c3ca1de917dbcda6cbfe7a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:09.891489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015842/publication.md
observed cfc3e7901a8f0057e9c50d2d530aaf1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:09.874311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015842/publication.txt
observed ca92573d993a0014a77148c86de689f4...
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.