OpenTechnical

OT-2026-000039369

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000039369) never changes.

Identity and time

Publication numberOT-2026-000039369 · never reused
Internal UUID01a0ae78-9675-7700-995a-37934e7a03a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039369
StatusPUBLIC

Content hashes

Canonical text8c2092d94385e0fa9f5847605cbe5b907d633e6874a558f29d9c5e79d72025ba
Markdown6f05f8025f085df750736f6909631bea1bdce262e007d246287346e4dcfc4780
PDF
Publication page675fbcc0ae4473aef5b52166e642fc39754a4e7aacec8f2cd37fbc15d87d01af
Manifest5ed738be5c21e9ce7bca66577e6ab1c4c359fdc2e635ea37793a70ab2811bae1

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
Signature00ugpp5IuAgVSWK/4ZdZju00GEfnwx16Eq7mn12m3M0C4mfJY/+UYGIqmQQ+BKsMgz62W8tb3YpaD5w80StKDg==
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

2026-09-17T11:20:58.374149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039369
observed 675fbcc0ae4473aef5b52166e642fc39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:58.358251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039369/manifest.json
observed 5ed738be5c21e9ce7bca66577e6ab1c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:58.341042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039369/publication.md
observed 6f05f8025f085df750736f6909631bea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:58.310635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039369/publication.txt
observed 8c2092d94385e0fa9f5847605cbe5b90...
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.