OpenTechnical

OT-2026-000019341

Publication integrity record

Single cup vacuum gripper, two stage ejector, supply line pressure sensor, pulsed 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-2026-000019341) never changes.

Identity and time

Publication numberOT-2026-000019341 · never reused
Internal UUID01a0ae6e-f392-7b8d-98f3-0d2b743ebdcc · 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-2026-000019341
StatusPUBLIC

Content hashes

Canonical text2121067c47a015994272416e8266d40a39134864e7d2eb424306a049cd9e5a95
Markdown6023809436a3bf67b4a4e9f223173e9e81822c8bf5faf6f5457d2f7dd608bd9a
PDF
Publication page0bfd50e043e0acb0e85d09b2fa409bc553ae906a8570aaa501c7a6460d846fd1
Manifest75f2754315f3bf65e0879b92836ebedd0cf3b0b28f0b5cb214acc7c210c8d72d

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
SignaturefdbCOBJLOAZ246dQwaO7hvCAmIIIvYBfG/rckX1OxRsk/u44KkldabsP2xKLAmPkKRkVJSKIfn2Y4FeUX9hWCQ==
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

2026-09-17T11:58:42.742565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019341
observed 0bfd50e043e0acb0e85d09b2fa409bc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:42.723321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019341/manifest.json
observed 75f2754315f3bf65e0879b92836ebedd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:42.704767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019341/publication.md
observed 6023809436a3bf67b4a4e9f223173e9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:42.685191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019341/publication.txt
observed 2121067c47a015994272416e8266d40a...
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.