OpenTechnical

OT-2026-000073730

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000073730) never changes.

Identity and time

Publication numberOT-2026-000073730 · never reused
Internal UUID01a0ae93-2b8d-7c65-a7ef-668beade2add · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073730
StatusPUBLIC

Content hashes

Canonical textdec2d1c19bd27f66e9b673090432fb15eda40d01649cd3cf83bb7341398d93f3
Markdownca4dc706b618cecb8a00e6c83acdbf963c11db97318a959d39c9513658d6e0ef
PDF
Publication pagec2b87881be4328613fcfe842811a619344c52746b25c5c4aab15cfe4af585812
Manifestfa1b80c44064c6908cb64456775561d0598f62f3aa73f7caca17abadda77d2f7

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
SignatureNtTsPNDT3JCTYfkYCwzqOmCbrFUL/ZNAEze16gjL1tv0q1emUH42kyHVJGh5DMLgppp5RPPO65EoLjvFEMj6AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:19:48.432604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073730
observed c2b87881be4328613fcfe842811a6193...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:48.414999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073730/manifest.json
observed fa1b80c44064c6908cb64456775561d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:48.396931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073730/publication.md
observed ca4dc706b618cecb8a00e6c83acdbf96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:48.379738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073730/publication.txt
observed dec2d1c19bd27f66e9b673090432fb15...
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.