OpenTechnical

OT-2026-000023072

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000023072) never changes.

Identity and time

Publication numberOT-2026-000023072 · never reused
Internal UUID01a0ae70-46ed-7b11-b1cf-17951b15db05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023072
StatusPUBLIC

Content hashes

Canonical text6601da7311e4d3bc179bc6eed2522b3d02d2f1456fa6be0a51332e8c0fb9fa0b
Markdown1a4ad0196abedce1a43dd99e5d83198a001f1763d763b91cfc36de0566c2d776
PDF
Publication pagee645bc97403b6b97f9fbc5a4d4b753ecfa338963687395f5e77a987b892d764f
Manifest8baa33293fec4f7e48dc8140f86c0bf839a608f700e15c9f3727bb20a65edd11

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
Signature9ND8Bt6dTR9itCtQiG1QOeZsJnVMuxlGi3yRplWUriMc/ft88OwGKa0zXd9pLOHF8AkN2teUNJzHdNJ710ewCg==
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

2026-09-17T11:52:41.860705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023072
observed e645bc97403b6b97f9fbc5a4d4b753ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:41.841749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023072/manifest.json
observed 8baa33293fec4f7e48dc8140f86c0bf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:41.821211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023072/publication.md
observed 1a4ad0196abedce1a43dd99e5d83198a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:41.802534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023072/publication.txt
observed 6601da7311e4d3bc179bc6eed2522b3d...
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.