OpenTechnical

OT-2026-000025203

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum 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-2026-000025203) never changes.

Identity and time

Publication numberOT-2026-000025203 · never reused
Internal UUID01a0ae71-5fa6-74a7-9382-6fa835ad8874 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025203
StatusPUBLIC

Content hashes

Canonical text7cb860cf2a608b6f445ea16f3d985a243fadd4eeb00de3d3c4aeeed5ecd08946
Markdownb46ac6dbfbe39f995c841a8e73b5673394f21eda8558a8902f71cc5009b5298c
PDF
Publication page2b637bc9c02dcd10c245596d424226a0f4f0e00f35d35b999871bf3993f44bfb
Manifestfbab0f566d13edf9679c98769b63e3824e812e470002dfa61ebc4e20fd3d6cde

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
SignatureUn1h/ObPCxMvD5uxAVcqZ2AQl+aoMQ7sCqmnTTT7/pJF8PFSYCIrTXOTcGkAdh1rJd7c0eYnxesIRjzTxYjCCg==
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

2026-09-17T11:47:11.617564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025203
observed 2b637bc9c02dcd10c245596d424226a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:11.599148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025203/manifest.json
observed fbab0f566d13edf9679c98769b63e382...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:11.579818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025203/publication.md
observed b46ac6dbfbe39f995c841a8e73b56733...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:11.562068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025203/publication.txt
observed 7cb860cf2a608b6f445ea16f3d985a24...
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.