OpenTechnical

OT-2026-000015301

Publication integrity record

Two cup vacuum gripper, two outlet manifold, 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-2026-000015301) never changes.

Identity and time

Publication numberOT-2026-000015301 · never reused
Internal UUID01a0ae6d-ef48-7bc7-88bb-eb6457667d73 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015301
StatusPUBLIC

Content hashes

Canonical text337209b7322591878e5eef737ed9f6f83265c414b6aaa9ef138629cacf95a50d
Markdown290d7942a9eed2a53865ecfabc53000cae6cb199b592209e9fc95554c6982778
PDF
Publication pagee405a1d6ee8490f748429c20e55a06e3c9bbdb58706642c99a0970c31b237a27
Manifestaf47280ac6f84b0401ac695d114806b7415c9ef33f5a0b424554c251fbd36b69

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
SignaturemCOVRBQg6A9xZfIHh9nXVIv9WD/Z9BqgrM1qTbVIRnF4+VnQGjE9PlyiCCyiaLQ6/UzcItWRWtSwmFo4lXneBg==
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

2026-09-17T12:05:59.444592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015301
observed e405a1d6ee8490f748429c20e55a06e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:59.424796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015301/manifest.json
observed af47280ac6f84b0401ac695d114806b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:59.404948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015301/publication.md
observed 290d7942a9eed2a53865ecfabc53000c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:59.385951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015301/publication.txt
observed 337209b7322591878e5eef737ed9f6f8...
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.