OpenTechnical

OT-2026-000025154

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000025154) never changes.

Identity and time

Publication numberOT-2026-000025154 · never reused
Internal UUID01a0ae71-5fa5-7eb3-947b-3fd827c2a236 · 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-2026-000025154
StatusPUBLIC

Content hashes

Canonical text384a79c2b29ffa3422d6c64732e4f38007386c2318b165ad0399617009dd292a
Markdown444dfb6507e7eaccd670d2a6a156fa8a569a1f06832d848f4ed52d0f59b43338
PDF
Publication page4d60cd00aaf293b290c2d052c6a79ba7f237e8d722ff5dd0c2b2b7f6b694b0e7
Manifest08a180a1f4f9e5d41d41de7c52b67099b220ee0c91daeb2bd7470d50713f0c52

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
SignatureBsJ7DHT7Wm9z5sJCBj80ve+GCvq3qYQFVWWHWyciCirBQGymObhKHvf3rzWTUG4Smek/L6nTTwdlRMIngTsYAg==
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

2026-09-17T11:47:02.504792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025154
observed 4d60cd00aaf293b290c2d052c6a79ba7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:02.488491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025154/manifest.json
observed 08a180a1f4f9e5d41d41de7c52b67099...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:02.470701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025154/publication.md
observed 444dfb6507e7eaccd670d2a6a156fa8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:02.452788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025154/publication.txt
observed 384a79c2b29ffa3422d6c64732e4f380...
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.