OpenTechnical

OT-2026-000014889

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, pulsed blow-off 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-2026-000014889) never changes.

Identity and time

Publication numberOT-2026-000014889 · never reused
Internal UUID01a0ae6d-d095-7627-85e7-5267a3aafec7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014889
StatusPUBLIC

Content hashes

Canonical textee75ac52daebfd6b44ec0b1ee7f92c938dbf9d5894fbbc34558384f27f21c2c4
Markdown9892d65a5a68a71e370e6d3290592d90427c0f91bacf1bda54b4966638fa82b5
PDF
Publication page9b6751985115f700e1c901e843d8d3fad03e1b9f88733a63fe21d4ae0740038d
Manifestca2d7d81fd9ccaa73c2d1e5d3f6f619b3fa573660cffba0ca92689d296d77a69

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
SignatureZSodTwNJAxqP9Zwl/ECTtMhRgUO0GgyxTQyR9lJSmSk4h2wCXIIjqAvJZj6E31AiyXKhBbpuW8cPem6m8r3TCg==
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

2026-09-17T12:06:48.983216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014889
observed 9b6751985115f700e1c901e843d8d3fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:48.964327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014889/manifest.json
observed ca2d7d81fd9ccaa73c2d1e5d3f6f619b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:48.944852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014889/publication.md
observed 9892d65a5a68a71e370e6d3290592d90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:48.925023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014889/publication.txt
observed ee75ac52daebfd6b44ec0b1ee7f92c93...
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.