OpenTechnical

OT-2026-000008984

Publication integrity record

Two cup vacuum gripper, two outlet manifold, 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-2026-000008984) never changes.

Identity and time

Publication numberOT-2026-000008984 · never reused
Internal UUID01a0ae6b-31b8-7b46-8dd2-dffc24d9f237 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008984
StatusPUBLIC

Content hashes

Canonical text50c267e75af1b71149d1d69ceafdb40e5cbc24b340a5b8c0d44af847fb40a08a
Markdownac52b6cdd6875c2dd30a63486d5b92859ae8919bed54b81d11297ba00bf102a0
PDF
Publication page3c52b830634085364280b8092ebf3aaad1ce553b3a70f6a12897bbfba6facd37
Manifest5d75cfa12ca20e978d940e2d44d1f7a76babb8838105ec70cbbd7f150e1ba845

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
Signature8SX/mLoCE+2JGywGn6SG4WtxPOAKndE8kTZdiqnR+emK/CAAzOd2ixaHoSjSlIkr6gRDZfOZbZTg47k5+2jhCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:36.560852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008984
observed 3c52b830634085364280b8092ebf3aaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:36.541124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008984/manifest.json
observed 5d75cfa12ca20e978d940e2d44d1f7a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:36.520618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008984/publication.md
observed ac52b6cdd6875c2dd30a63486d5b9285...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:36.497911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008984/publication.txt
observed 50c267e75af1b71149d1d69ceafdb40e...
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.