OpenTechnical

OT-2026-000015529

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000015529) never changes.

Identity and time

Publication numberOT-2026-000015529 · never reused
Internal UUID01a0ae6d-ef4a-7e28-8cff-40567ad45872 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015529
StatusPUBLIC

Content hashes

Canonical textc650b16f5d7217a814469887a5b328889563d58f8a06099de0cc2ab29e0b3372
Markdowna2e2d6f1cda5b89f40a89b341f09de05436c3b8b73e477a8c22124d4e3ec53a9
PDF
Publication page93239a9a87be61aa3851e0afb4b88fec122745a2063720d2ec712990a9b11448
Manifest9ebf6c5ad10b3bc310cf54c370434281f4d8679e6f779999dad8953c6aff0ba6

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
SignaturedfOJ3+9THaJSRSs9mW5udE9ptOe4eDauEMPeSDLVXLH5O4OzGs40bB7Jfxgg4bXdAFWgBlKZ6dLlXaXVP+bdAQ==
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

2026-09-17T12:06:18.405673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015529
observed 93239a9a87be61aa3851e0afb4b88fec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:18.388181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015529/manifest.json
observed 9ebf6c5ad10b3bc310cf54c370434281...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:18.371053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015529/publication.md
observed a2e2d6f1cda5b89f40a89b341f09de05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:18.352683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015529/publication.txt
observed c650b16f5d7217a814469887a5b32888...
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.