OpenTechnical

OT-2026-000014264

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000014264) never changes.

Identity and time

Publication numberOT-2026-000014264 · never reused
Internal UUID01a0ae6d-b279-769e-a067-47b250bad169 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014264
StatusPUBLIC

Content hashes

Canonical text7d10e18bb89407e2417ba109a9b502aecc6648e43354a70671505ea830644822
Markdown7be30ff3f45331faf189ff4a7e5fc774a4bcbb8997528057abf564bbc2f584e3
PDF
Publication page01825e0c1ff1da31cb95e4e390f3fab17690a7186493f469702f44aafec9bc06
Manifest71b65971e1e6bbf72cd1f02c43467e624231e53a4bed75cbda8a441ad67ae6dc

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
Signatureem2ZvtoqaU1B1jOLQBjCtkfdYoxxM21qPNXfFh+QOmGH3IeUgs4SR8isMpk9YAA2psdaqm2R763nY5+KwJeeDg==
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

2026-09-17T12:07:28.334441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014264
observed 01825e0c1ff1da31cb95e4e390f3fab1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:28.305712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014264/manifest.json
observed 71b65971e1e6bbf72cd1f02c43467e62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:28.278373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014264/publication.md
observed 7be30ff3f45331faf189ff4a7e5fc774...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:28.256489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014264/publication.txt
observed 7d10e18bb89407e2417ba109a9b502ae...
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.