OpenTechnical

OT-2026-000019885

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000019885) never changes.

Identity and time

Publication numberOT-2026-000019885 · never reused
Internal UUID01a0ae6f-1fb6-7ed0-a63a-234f41887015 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019885
StatusPUBLIC

Content hashes

Canonical text1023ae229e6b7ad718a46e846583e161a0903d7b28d8cc8939cd9fc41ac114b9
Markdownffe108f0ae3f158013c95a6146dadf9b920dd7df4544f259846c3595e918b3dc
PDF
Publication pageb8396f251236f55891b631136bea667b93493c7cd1e26d3a965bacef0743cc07
Manifestf43f63c508c2e49fec3640b9d8bd0f20fd7bd5fe7e86120b81f530ae0d5062b1

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
Signaturepi6AQwgl0jjoBBqQphhNdhWbKaLGetcFN1u3n4TrfpCV788JmHWSkML7dmRwB15KYqYg0Ul8a0uvBlYl2gEeAA==
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

2026-09-17T11:58:05.460012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019885
observed b8396f251236f55891b631136bea667b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:05.440098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019885/manifest.json
observed f43f63c508c2e49fec3640b9d8bd0f20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:05.422687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019885/publication.md
observed ffe108f0ae3f158013c95a6146dadf9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:05.404504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019885/publication.txt
observed 1023ae229e6b7ad718a46e846583e161...
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.