OpenTechnical

OT-2026-000015953

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000015953) never changes.

Identity and time

Publication numberOT-2026-000015953 · never reused
Internal UUID01a0ae6e-0c4d-7812-8402-ec7b36e3925f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015953
StatusPUBLIC

Content hashes

Canonical texta9127310560d60fae33c75267753c44936809fed2b0d0b4379a6e6780498d062
Markdown4fc61ee20370a89c79a103da5a08a0a48c5f639f034c3107bc9c40e85b453afe
PDF
Publication pagea1ce4b287e965bfc8c98911adc5fca4aa8156edc9ef27740de2aa6a0272e5dbb
Manifest1a7c0067ea578cbad0b1a454c6375f29b5038e7a8b0353a519d997d6c3458095

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
SignatureGJuXoy6GzCOoaQozwq9oG6g+KwIk7XgdrKu+Mwft9akfHETc3QiUQvQhQ8Gn5M3hAQtbVTV6v/dDQgsxJnhmBw==
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

2026-09-17T12:05:26.362157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015953
observed a1ce4b287e965bfc8c98911adc5fca4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:26.334075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015953/manifest.json
observed 1a7c0067ea578cbad0b1a454c6375f29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:26.301925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015953/publication.md
observed 4fc61ee20370a89c79a103da5a08a0a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:26.271219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015953/publication.txt
observed a9127310560d60fae33c75267753c449...
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.