OpenTechnical

OT-2026-000030345

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000030345) never changes.

Identity and time

Publication numberOT-2026-000030345 · never reused
Internal UUID01a0ae73-e501-7a8b-901d-75ad8e311300 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030345
StatusPUBLIC

Content hashes

Canonical text15eda99815366ad3a8cb0fc101cd405fb1d2ccc3dcfa3be4c5e83fbf39bda9f2
Markdown490b04a5b4be14168f6d7d7662e87f04a2d496295234abc69d63ff854cf81aea
PDF
Publication page75bb63a29e87ac9f42bae0f3765ad2061ccaeeb67a334da5ddc4a6325b57daf2
Manifest441db8acdc5a54c4aa95d25d0a8f0dee6405b5a9f2717e67e773808423d5a613

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
Signaturee3dGt3QgyqF9/NrrXW2AF9f5A83GQ3UCEmJM1P9jwAXAhepnKnhHzEyMfEoZhGjzx95Lyei2hReiAlER5MauAw==
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

2026-09-17T11:38:03.580222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030345
observed 75bb63a29e87ac9f42bae0f3765ad206...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:03.561626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030345/manifest.json
observed 441db8acdc5a54c4aa95d25d0a8f0dee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:03.544712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030345/publication.md
observed 490b04a5b4be14168f6d7d7662e87f04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:03.526819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030345/publication.txt
observed 15eda99815366ad3a8cb0fc101cd405f...
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.