OpenTechnical

OT-2026-000036109

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000036109) never changes.

Identity and time

Publication numberOT-2026-000036109 · never reused
Internal UUID01a0ae77-01ce-7c64-bf95-ba46ea3a4e3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036109
StatusPUBLIC

Content hashes

Canonical text4f68965b0d7abfe28789e3bc3be6adc841be5a3a2ec0cf5dd070b3fa4ad7bfcb
Markdown777ba487208c63279bf4011b38bdce03f3d53b48570522dbcad8e0449996a001
PDF
Publication page3b697e7867cd82c1320ab53a03ed6d04a4deca56161951aa7391239e07310391
Manifest649973a769dc5b4ed43a54b7d4a6e426215b6801451b00241c26e4029db36e74

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
SignatureafPI3HmkNvOK17yiBgbUlRIqcRMtQuuyh3cpO9TpNrShCbnJil+ydRB5V9gPUb94KmIzFarR0oUZTPwi7kMNCA==
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

2026-09-17T11:26:18.157002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036109
observed 3b697e7867cd82c1320ab53a03ed6d04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:18.141650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036109/manifest.json
observed 649973a769dc5b4ed43a54b7d4a6e426...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:18.125224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036109/publication.md
observed 777ba487208c63279bf4011b38bdce03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:18.108483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036109/publication.txt
observed 4f68965b0d7abfe28789e3bc3be6adc8...
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.