OpenTechnical

OT-2026-000009288

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold 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-2026-000009288) never changes.

Identity and time

Publication numberOT-2026-000009288 · never reused
Internal UUID01a0ae6b-31ba-79c1-810a-365ab67d9342 · 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-2026-000009288
StatusPUBLIC

Content hashes

Canonical text29b7e2277559b63068c7e4879f542dc3d8090e51ea92b01502f8d0158a877954
Markdown8868bfa850a5351ffc531a522e999dfc6bd5849efbc87a3c3f141481c4cca1da
PDF
Publication pageb11903d740e615d13a0af2633ed4ff5892b6c8a7a429fa6bac343bf03f0c8057
Manifest1b06c798f1c10f035e7558eaa2b9a9b2cda778945850f211d38f5340fc7d98c5

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
SignaturegCCxKhedgG/dH+5lOaYv7xYFj6sLWJXSZV0ZiG262iFRNf1e2nYeiba+4DJtw/Y5g9/sx3Qieo4JYuoG9Bb7Dw==
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

2026-09-17T12:18:03.406933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009288
observed b11903d740e615d13a0af2633ed4ff58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:03.388956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009288/manifest.json
observed 1b06c798f1c10f035e7558eaa2b9a9b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:03.370361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009288/publication.md
observed 8868bfa850a5351ffc531a522e999dfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:03.352220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009288/publication.txt
observed 29b7e2277559b63068c7e4879f542dc3...
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.