OpenTechnical

OT-2026-000045521

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained 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-2026-000045521) never changes.

Identity and time

Publication numberOT-2026-000045521 · never reused
Internal UUID01a0ae7d-8f01-7e35-bad0-42a07d453270 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045521
StatusPUBLIC

Content hashes

Canonical text8ae4bcb7c79becf56cba1a9c2814692e89532942ce240f5be4b917c431115b24
Markdown2182958eac680e42bcb3fa4da81e5e05b6346d9b74d89b4e1fa094d502deda64
PDF
Publication page77782ca1015538053236538617435ff7daa73fda6dc6cc10b68f417fb5a3a1a4
Manifest6bfabc4c6e817b878c4e3818a9d599d4b395134869ea1f196dba2d9b7a35338a

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
Signatureg6Y7hGqBaXzk13xQgYfJYMrfTmOd3SiwxrRMMgOJrQggQ+zlxdfvyYak280KKjC4BixIPMjgpNvc7zZzdF67DQ==
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

2026-09-17T11:09:15.858268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045521
observed 77782ca1015538053236538617435ff7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:15.841982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045521/manifest.json
observed 6bfabc4c6e817b878c4e3818a9d599d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:15.824957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045521/publication.md
observed 2182958eac680e42bcb3fa4da81e5e05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:15.807530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045521/publication.txt
observed 8ae4bcb7c79becf56cba1a9c2814692e...
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.