OpenTechnical

OT-2026-000099699

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000099699) never changes.

Identity and time

Publication numberOT-2026-000099699 · never reused
Internal UUID01a0aea2-c976-7b81-bf5a-690cddb4a2ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099699
StatusPUBLIC

Content hashes

Canonical textbd5616bbd99147f86ced8003397e95b0bef3199c8b52ae64aca3e1725b7a3044
Markdown96bb4255aaa5bfb20eea0fa8e1e9f7703436d82b4ea13b39ae626c64cb899115
PDF
Publication page61d77e4a5d21851409a41240d89bb23199153e2d4a855f0a8d46302b8a779624
Manifest69400bf2b1cf99a136bfd7ef11d2b16a2b4d6c60e62adbfc21f826bed2222e1f

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
Signature9FmV4tihZpHnR3oYZSyGSGo7tVlb+47UQj6BHnno6T6w8kIBo+9CnAzKvkJrTKO3JscvrDAhxCVpnmUwghnwDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:42.725243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099699
observed 61d77e4a5d21851409a41240d89bb231...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:42.704622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099699/manifest.json
observed 69400bf2b1cf99a136bfd7ef11d2b16a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:42.685741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099699/publication.md
observed 96bb4255aaa5bfb20eea0fa8e1e9f770...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:42.668452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099699/publication.txt
observed bd5616bbd99147f86ced8003397e95b0...
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.