OpenTechnical

OT-2026-000035029

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000035029) never changes.

Identity and time

Publication numberOT-2026-000035029 · never reused
Internal UUID01a0ae76-6a1c-743d-83e6-b0124f1c7db4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035029
StatusPUBLIC

Content hashes

Canonical textc368c4a5c3729bd1a55171ffc904e3dc05d600bda61b1e34eba62c9421007afd
Markdown1a4f304bd67f59f5776c479592e3b7cf66e68f96076743847a49f6523a231bd2
PDF
Publication pageef6f8526b96265e833657b21f37f08b55a30887b483fc9772e15d6aa132fa97c
Manifest7cf0154c0fedfb11e3423b72c5a45aac7e6bb9220f787fc00d82ab6c24668549

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
Signature/vTOLS0vNw/S1ZPcezX4ceKM03h+7H2e6bBjBljfRcglpZMpUFX/4vFHTDNDgT0Y8nhji8dyt8GXfux7AfHhCQ==
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

2026-09-17T11:28:04.802454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035029
observed ef6f8526b96265e833657b21f37f08b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:04.775261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035029/manifest.json
observed 7cf0154c0fedfb11e3423b72c5a45aac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:04.758793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035029/publication.md
observed 1a4f304bd67f59f5776c479592e3b7cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:04.741850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035029/publication.txt
observed c368c4a5c3729bd1a55171ffc904e3dc...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent