OpenTechnical

OT-2026-000037400

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000037400) never changes.

Identity and time

Publication numberOT-2026-000037400 · never reused
Internal UUID01a0ae77-b8cd-7341-aa9c-0661abbbe89f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037400
StatusPUBLIC

Content hashes

Canonical text53ab2b466d0e85d6f48bce1c5d4c68054fc8032275fb4aaad11c1c7a38dfb197
Markdown2fe5dc2ca1569559a59ee7feeed58716b42cbf5ee2d9a27c4dd05cf92f4e4da0
PDF
Publication pageac240072ca1936d642f3457b3955fc7ea6cf78b1c1d740030204de69ff4ed902
Manifest3fe10b66a0982d5ad3a74d2cb0e3129bb82d38b5e62ec940f8f268c2d2967fa4

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
Signature8FXjF7c0iXtLevjtxWD/oXb3tpUnKOy3I8HLeuO1UnoUGmaNcTOCiZcKVhO5auV6RxhRWryyLZNwXuZYtDfcAw==
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

2026-09-17T11:23:49.899085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037400
observed ac240072ca1936d642f3457b3955fc7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:49.882468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037400/manifest.json
observed 3fe10b66a0982d5ad3a74d2cb0e3129b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:49.865219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037400/publication.md
observed 2fe5dc2ca1569559a59ee7feeed58716...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:49.846429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037400/publication.txt
observed 53ab2b466d0e85d6f48bce1c5d4c6805...
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.