OpenTechnical

OT-2026-000019593

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000019593) never changes.

Identity and time

Publication numberOT-2026-000019593 · never reused
Internal UUID01a0ae6e-f394-7fe2-b493-983f4b18b328 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019593
StatusPUBLIC

Content hashes

Canonical text1e7573da1f53cc90283921113857961c5f6f590a07e4b0b1b17480de056988ef
Markdown1bb2795297583ae3b4ef4a4bb0da15548b32886fa11da8ecc759155d00b00cbb
PDF
Publication pagedb3c747b10a1b35634266a21fb4267b844aa780c5fff9069b1276c55c9b19ae6
Manifest573e38fc440c2745a30031c7e16d66b8e3ad14a5682bf46beaddb8157ae6cf0b

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
SignatureMhjAMh+C9X1NGAYWkcs+smxSGm8owjcyc7Mifm2zlVFCB2sz5CQvtdCEYO0+U3zyQ8fBFStyuLGMI+Kd5Iy0Dg==
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

2026-09-17T11:59:02.690013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019593
observed db3c747b10a1b35634266a21fb4267b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:02.672858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019593/manifest.json
observed 573e38fc440c2745a30031c7e16d66b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:02.656115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019593/publication.md
observed 1bb2795297583ae3b4ef4a4bb0da1554...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:02.637125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019593/publication.txt
observed 1e7573da1f53cc90283921113857961c...
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.