OpenTechnical

OT-2026-000029425

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000029425) never changes.

Identity and time

Publication numberOT-2026-000029425 · never reused
Internal UUID01a0ae73-5e20-7f37-96e0-e5272fa19e30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029425
StatusPUBLIC

Content hashes

Canonical textde86884cf10f961ddd1eb0f47cd64adc5c20630bab317b9481a067f311f0a6f4
Markdown2c3d31f25e8adbae46c090f5f3deedf1170340bd0f8be294a1c2c146bdc729e8
PDF
Publication page1c11988b2e74d8b74116a3ddd5ba40c9b150b2eaa63e3a44c281f92312141e5e
Manifest41c94dc37328abcc9daa637ed23b9ecf7d75e826566acaeca2d9b0ba2f22d5ff

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
SignatureQH9c26RKN6a9ksEZ7on5Uf3a6Etuccasd2JTxXOvAHWhfKUwfUM20JyXtGEv4C029X/56Dz/37kzXkw5OUiaDQ==
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

2026-09-17T11:39:02.072915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029425
observed 1c11988b2e74d8b74116a3ddd5ba40c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:02.054439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029425/manifest.json
observed 41c94dc37328abcc9daa637ed23b9ecf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:02.037319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029425/publication.md
observed 2c3d31f25e8adbae46c090f5f3deedf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:02.020792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029425/publication.txt
observed de86884cf10f961ddd1eb0f47cd64adc...
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.