OpenTechnical

OT-2026-000025506

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000025506) never changes.

Identity and time

Publication numberOT-2026-000025506 · never reused
Internal UUID01a0ae71-5fa8-7ace-aac8-0f64cbcb58de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025506
StatusPUBLIC

Content hashes

Canonical text6782e274609a0bba3cb68a02a1040ee02a4d80353b2de24ec7067b5c3bebf5a6
Markdowna0dab5170ec5cea23a15638ca8b2dcc4ea4cc48464d467695219cdf12ef76022
PDF
Publication page9536405a63695913332b31e0a88cf865b98f1724c6504e4d3be7e1718e2c8bb6
Manifest50e103caee10db3f6d817ccf2ba539e78c9c21d9cf1479896a0ce2d590738c1a

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
Signature5tcbXKpoTiTKs7C445aGxjJZbrhXQXCttZ6bePlYEthR+4OKm5Jel5DK21eRq4JNpPW/bgcr05iQPiz7kqWjCw==
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

2026-09-17T11:47:36.316279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025506
observed 9536405a63695913332b31e0a88cf865...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:36.297945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025506/manifest.json
observed 50e103caee10db3f6d817ccf2ba539e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:36.278050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025506/publication.md
observed a0dab5170ec5cea23a15638ca8b2dcc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:36.252289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025506/publication.txt
observed 6782e274609a0bba3cb68a02a1040ee0...
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.