OpenTechnical

OT-2026-000037413

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000037413) never changes.

Identity and time

Publication numberOT-2026-000037413 · never reused
Internal UUID01a0ae77-b8cd-7aa1-bdc4-9941cd5fe3e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037413
StatusPUBLIC

Content hashes

Canonical text484b1dcec63e7b3f346950e48bdae077ae8241e90bb1e41e8cbcd54c03f253a9
Markdowna9108d4d2e7878fab010843332a7be191100b89c42a10bc73cfcae36232ed18b
PDF
Publication pagecc6625dadc7150eccb41215f60267d2c3c6f4cf55dcb27835f7404d84493342e
Manifestbc7f9915b199d6514a4c83de9799a5d572bf35b5dead06ace9329bcc8cf29d93

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
SignaturexrFNF8hRhgYBX2xAXPRrwe50DQZuKcQ5Bc0GoHRJ5W1H6cR1KmugZNfWwdTgA9Xch+8Y70gucNqnI/1YtzctCg==
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

2026-09-17T11:23:50.857008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037413
observed cc6625dadc7150eccb41215f60267d2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:50.838328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037413/manifest.json
observed bc7f9915b199d6514a4c83de9799a5d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:50.818335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037413/publication.md
observed a9108d4d2e7878fab010843332a7be19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:50.796553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037413/publication.txt
observed 484b1dcec63e7b3f346950e48bdae077...
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.