OpenTechnical

OT-2026-000023121

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000023121) never changes.

Identity and time

Publication numberOT-2026-000023121 · never reused
Internal UUID01a0ae70-7266-7d4b-8892-f97c40aee8c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023121
StatusPUBLIC

Content hashes

Canonical text3aa4051cd377bcf1d569c54f6b04ce54c860367cc09e043a50732460af1ff46a
Markdown654ca967f1e269599dc8ef95f96c8007fd0ea54b15688636c040e427d5ee3149
PDF
Publication pageaa83efa1030ffc4180dd6e83dbc11f356a2449b33a1d0f70b0a2cdd3f883b1dc
Manifest8ba6cc9df3b47e4d1b0a22d860a6887295207a8784ea5f23c47435b47d8c35fc

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
SignatureprAvLms5RzVwBOZE/eNTxvgjMVH+54AnyNDIUiwhf7SrYrnccbvJD22TYLlsR+RkvndJN/3OYk4dV7FQ+BVeBg==
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

2026-09-17T11:51:02.915032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023121
observed aa83efa1030ffc4180dd6e83dbc11f35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:02.897885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023121/manifest.json
observed 8ba6cc9df3b47e4d1b0a22d860a68872...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:02.879089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023121/publication.md
observed 654ca967f1e269599dc8ef95f96c8007...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:02.860847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023121/publication.txt
observed 3aa4051cd377bcf1d569c54f6b04ce54...
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.