OpenTechnical

OT-2026-000080346

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000080346) never changes.

Identity and time

Publication numberOT-2026-000080346 · never reused
Internal UUID01a0ae96-7e77-7a03-bc58-2d676ff1437f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080346
StatusPUBLIC

Content hashes

Canonical textb827016973f97c32481cc5e497528d39ffdc3357e6d2053629d0e1038193b56f
Markdown8447e99817ff62fb235a3f4b11c1cf9a20b89f3c5155d45fc9bbb7a2d6f0df53
PDF
Publication page93655360ab58a2800977df0e96c984cf3670a20e5d2be3a124895887997124e1
Manifest98c1c5824cf4b13803762cf1122bacb1188827451a878a799a60581666580ee5

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
Signature6PR+6FgWA028wQiL4WJ298j/BG0KDuvTUhNLr5+NxBgqB47CGpexJXZwa6W6ssCbJsGAe9X1RNkwmdHscjsbAA==
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

2026-09-17T10:02:49.632095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080346
observed 93655360ab58a2800977df0e96c984cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:49.613022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080346/manifest.json
observed 98c1c5824cf4b13803762cf1122bacb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:49.594962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080346/publication.md
observed 8447e99817ff62fb235a3f4b11c1cf9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:49.575158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080346/publication.txt
observed b827016973f97c32481cc5e497528d39...
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.