OpenTechnical

OT-2026-000064079

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, pressure sensor per zone, 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-2026-000064079) never changes.

Identity and time

Publication numberOT-2026-000064079 · never reused
Internal UUID01a0ae8d-53be-71cd-bc84-f2ce9d9dd550 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064079
StatusPUBLIC

Content hashes

Canonical text2bdd85951f7f4ad31ad8448c95ae2ea72f1e1b2695ee25120416d731550d2486
Markdown030a1b86b991ad0299490a22b4a5f122dac3a8ebca490ac932279c298965960b
PDF
Publication pagef18355e35686e5bc1c353de668e22e8052a45b9d400b35dcb1bc419c5228c646
Manifest24033d0ce6c97203020109e682f37225373eef7078b908182bb7fb7ee34d6c36

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
SignatureL6Nv60wIA7ScJ5M9uRFfD8SrGwH+KsePGIHOy0TjvtiKpcZbTNf4ModG2BrpivJZBpmr+JnN851eEbDdgCubBw==
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

2026-09-17T10:37:11.011194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064079
observed f18355e35686e5bc1c353de668e22e80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:10.992571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064079/manifest.json
observed 24033d0ce6c97203020109e682f37225...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:10.976461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064079/publication.md
observed 030a1b86b991ad0299490a22b4a5f122...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:10.957977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064079/publication.txt
observed 2bdd85951f7f4ad31ad8448c95ae2ea7...
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.