OpenTechnical

OT-2026-000015893

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000015893) never changes.

Identity and time

Publication numberOT-2026-000015893 · never reused
Internal UUID01a0ae6e-0c4d-7e36-b09c-34761f1057cb · 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-2026-000015893
StatusPUBLIC

Content hashes

Canonical texte5b8ad1696bfdf11f7c2c7afeb761aabf94b5160f4a3a3ef4810662206defffb
Markdown6a6b2d19d6fd390a7d06566a240026c00b3124991266d083fa24e521278aefc7
PDF
Publication pagef86d709e4c1c211b0c357018b8068d1db6493b4acd907a2727015110e4daa65a
Manifest19de03b8ef6d24ed6d7115cf166f0f97eaae2c13fe77c392ff39284d37608150

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
SignatureEfcNLCQN1+m1w90TweuR7me6SyhCo2IkF4AR1aH59PQy85l02JMZEcfvwXZi1XZajF3IYQ8pPKb60Ppl2mf3BA==
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

2026-09-17T12:05:20.972995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015893
observed f86d709e4c1c211b0c357018b8068d1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:20.949650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015893/manifest.json
observed 19de03b8ef6d24ed6d7115cf166f0f97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:20.927449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015893/publication.md
observed 6a6b2d19d6fd390a7d06566a240026c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:20.907686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015893/publication.txt
observed e5b8ad1696bfdf11f7c2c7afeb761aab...
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.