OpenTechnical

OT-2026-000017897

Publication integrity record

Two cup 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-2026-000017897) never changes.

Identity and time

Publication numberOT-2026-000017897 · never reused
Internal UUID01a0ae6e-96fb-7f3d-b05b-dc0aaa262caf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017897
StatusPUBLIC

Content hashes

Canonical text05d6f285422bb7568cb0ef25b3ccf624285174d075d70a8781a2cf7283051741
Markdown5a05b259c0650af5eb226a0acaa551987f62bea5288c54fef6863474d55286c5
PDF
Publication page18eeaefbcbf384fe89712912f42384f32d2937c313b21e71fb8f0a16fb78937b
Manifest646eda161a67b0c45a85375b9fc41ff9478ce7d471eb577eed1ed6f00dcc08ba

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
SignatureGxbdvL3sjjcKYoGYy1cTJpygdUJzbvZXXyzHffVYtQCdRh2et+6r3nDC+/PxNa2q9wLtBt/7lYL7dZAm0HrtCw==
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

2026-09-17T12:01:53.217418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017897
observed 18eeaefbcbf384fe89712912f42384f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:53.202530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017897/manifest.json
observed 646eda161a67b0c45a85375b9fc41ff9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:53.187422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017897/publication.md
observed 5a05b259c0650af5eb226a0acaa55198...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:53.170626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017897/publication.txt
observed 05d6f285422bb7568cb0ef25b3ccf624...
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.