OpenTechnical

OT-2026-000015790

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, 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-2026-000015790) never changes.

Identity and time

Publication numberOT-2026-000015790 · never reused
Internal UUID01a0ae6e-0c4c-7696-a76a-5dd4fb436c9c · 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-2026-000015790
StatusPUBLIC

Content hashes

Canonical text946a61cb32c6a88803b977927be2da4fc0b2fcf55c01186081e6dc36ac5678bc
Markdown614fa1c6d4d8fe32073ddb7941ba42d175eafe056cd413fa6e6c08db90a0cbf7
PDF
Publication page30fe2fdab4ec7b2824a55088287f1a8e3879bf59d487bfdb107e44e3efd11bbe
Manifest682492f623d2c612fb9877c4a2775d0a85415552eb57432e1ce8d51b7cfa3282

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
SignatureRCozNNA6i7Lh2Vy+ITsx9quFe3/0q75wJFfL8f22eYf/BoNBjwAu9N/Nr+0ZElGc1EXxuRWVysLzIzEK8wu4BA==
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

2026-09-17T12:05:05.683840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015790
observed 30fe2fdab4ec7b2824a55088287f1a8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:05.665670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015790/manifest.json
observed 682492f623d2c612fb9877c4a2775d0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:05.648776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015790/publication.md
observed 614fa1c6d4d8fe32073ddb7941ba42d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:05.630082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015790/publication.txt
observed 946a61cb32c6a88803b977927be2da4f...
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.