OpenTechnical

OT-2026-000027597

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000027597) never changes.

Identity and time

Publication numberOT-2026-000027597 · never reused
Internal UUID01a0ae72-6999-7aa5-a684-13416df1f293 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027597
StatusPUBLIC

Content hashes

Canonical text81c3772ffd9c7f52fa3a17d04cd5227a16456ae7ff6b0851f523a926989c7729
Markdownce60e6ec41cb71149ce89b7a501bb1ccda9539d8593a2a8aad9a96c107cb412e
PDF
Publication pagec2d9df5d99982f5f51fe72553500a89c5eb1443b92bcacdc103efe6773a262b9
Manifest7866ee81dc81889a095c1685eca3ab340620502c3f0d9d7f581c4856debc18c9

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
SignaturefONYdEEUTw648X4vmTBB8Rig2xsA06yfXYesBiUZ9xoENUyPy8JuCEZrYRWoGbHAGqioLg5YOtpJ4g4ErhNlCg==
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

2026-09-17T11:43:06.662661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027597
observed c2d9df5d99982f5f51fe72553500a89c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:06.644583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027597/manifest.json
observed 7866ee81dc81889a095c1685eca3ab34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:06.622141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027597/publication.md
observed ce60e6ec41cb71149ce89b7a501bb1cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:06.580634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027597/publication.txt
observed 81c3772ffd9c7f52fa3a17d04cd5227a...
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.