OpenTechnical

OT-2026-000020117

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000020117) never changes.

Identity and time

Publication numberOT-2026-000020117 · never reused
Internal UUID01a0ae6f-4378-7d20-aa03-770a7cf223b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020117
StatusPUBLIC

Content hashes

Canonical text548dd26e13f964d1459b97a523f2625962557724ad475641814e5c51babed432
Markdown0286eda6d5dd7baa606fa682d88ce2dddd6bbe055215f31b0b7ebd0b2f7c2ca2
PDF
Publication page381878be48e5c3d63496ca8013be053700ae8dc15034a1a735d5ea211e8c54dc
Manifesta777c68a855f4a655f1f80789b85357401aeefd2e8ea80110100e37cceb6eb30

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
Signature40WohdUOZh2y7l3dJUln3a1N/2lXvWKGrznta1+5Z1t7jwsMjzizOlhUBG8r2s/ORxm2Xq8V9R64Cv6jZMDwAA==
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

2026-09-17T11:56:25.217287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020117
observed 381878be48e5c3d63496ca8013be0537...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:25.199891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020117/manifest.json
observed a777c68a855f4a655f1f80789b853574...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:25.177829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020117/publication.md
observed 0286eda6d5dd7baa606fa682d88ce2dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:25.159456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020117/publication.txt
observed 548dd26e13f964d1459b97a523f26259...
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.