OpenTechnical

OT-2026-000014002

Publication integrity record

Foam pad vacuum gripper, single stage ejector, 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-2026-000014002) never changes.

Identity and time

Publication numberOT-2026-000014002 · never reused
Internal UUID01a0ae6d-8dea-7f86-989e-998acba01b3f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014002
StatusPUBLIC

Content hashes

Canonical text5e30afa8b63c730c9832e3fe41c95018251e1f55dcd5a61ca7aa98825b838a02
Markdownd476e70ef16c3508a93e17f94cc7a55c9d9d819911f5a1ba5c32998daa064f64
PDF
Publication page2f2c7cdf5f562d873c79058110003ee3fb6c8f8411201b020d19348d5c735dd4
Manifest6738412d1105c46506cd1f9e1a466c9cf56e470918d3625f8b6d317f6c02d28d

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
Signaturefhk2wZRMGvydx4QJF0WkSGkJs25YmKM06KTGkI118751ohTwB3ouLjX2LQuRx6DDPp2BEnhQFhvh8qGBkEiKCQ==
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

2026-09-17T12:09:13.468360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014002
observed 2f2c7cdf5f562d873c79058110003ee3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:13.448650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014002/manifest.json
observed 6738412d1105c46506cd1f9e1a466c9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:13.428222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014002/publication.md
observed d476e70ef16c3508a93e17f94cc7a55c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:13.409304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014002/publication.txt
observed 5e30afa8b63c730c9832e3fe41c95018...
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.