OpenTechnical

OT-2026-000064299

Publication integrity record

Three cup vacuum gripper, three zone face, two stage ejector, pressure sensor per zone, 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-2026-000064299) never changes.

Identity and time

Publication numberOT-2026-000064299 · never reused
Internal UUID01a0ae8d-a460-72b1-a226-f132dd20d4a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064299
StatusPUBLIC

Content hashes

Canonical text99c753e3b0f0ed50942d6638f0608ca7f81839fc814f0a77f31e9d516f0dab61
Markdown9b4678b2cfe2d3fc4a3fe054c1413c3bc516994789de5dc0b48fe7df84597578
PDF
Publication pagee5c48d93d550419b47d87ced80c5540fc87755e731d61befaf6b6ac5662d5a09
Manifestdcc08d66c99df46751543c21e9fc559dc2ddf8368c313af00da52a0cbf4a670a

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
SignatureLl2BM9afqJ7RqUYvWOMM+gCUszWoH8V5sRBSOPdeoh9cvsmDD59n1f7uBS1MvYyNoObKuxmDcGyWqkuJtAwvDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:36:26.702262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064299
observed e5c48d93d550419b47d87ced80c5540f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:26.684888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064299/manifest.json
observed dcc08d66c99df46751543c21e9fc559d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:26.666030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064299/publication.md
observed 9b4678b2cfe2d3fc4a3fe054c1413c3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:26.647072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064299/publication.txt
observed 99c753e3b0f0ed50942d6638f0608ca7...
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.