OpenTechnical

OT-2026-000012589

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000012589) never changes.

Identity and time

Publication numberOT-2026-000012589 · never reused
Internal UUID01a0ae6d-39f7-7319-8755-d7b3cb42d3bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012589
StatusPUBLIC

Content hashes

Canonical textfce9d9e809bfa36c2c0b5407a86315d124edc26d603517df8fadb816fb72e60d
Markdown3e6f336a59054d0e812f63c1ac5c8814332f307344e7b83f2d3c332a15ea5b5f
PDF
Publication page5b58bda9c004f7196db57acd33a2c75f6f7d87e059a68d72dc8626f4dd22be8b
Manifestb5b5a6916332e77e8b0a382c94ae6288af603c54e66d2a925dd28aef77f04870

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
SignaturetY/mkfIe0jl2Q1qVEOIfxDRUtjxhl1iU4fjeFkNjUxE/s7jZFP8gL6pgcdDdaFNcVYfsl08sTbOzECu/2ze1AQ==
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

2026-09-17T12:12:08.740875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012589
observed 5b58bda9c004f7196db57acd33a2c75f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:08.721148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012589/manifest.json
observed b5b5a6916332e77e8b0a382c94ae6288...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:08.703564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012589/publication.md
observed 3e6f336a59054d0e812f63c1ac5c8814...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:08.684668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012589/publication.txt
observed fce9d9e809bfa36c2c0b5407a86315d1...
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.