OpenTechnical

OT-2026-000047178

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000047178) never changes.

Identity and time

Publication numberOT-2026-000047178 · never reused
Internal UUID01a0ae7e-d0f9-7693-a034-e1acfb9ed75d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047178
StatusPUBLIC

Content hashes

Canonical textc744ce8f5eff8b769a8385b6c5b578c91774ddd24c2ee5a139c60eb56980e70f
Markdown1c88e0251f689f6a91aee26147d6611db81876a96407a553f504f99eb9a8f15f
PDF
Publication pageb6dc43908fe0ec88408218d433394fab4c9d1f6845b6cdf326390741070b581e
Manifest9def8ac431cfa00186296a2b5bbc5a7f8924aa1e15a17a538c0cfe1b2deb3dfd

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
SignatureC9hDXI8zUTw8L8FerB9GAbHwal8hwQ0WX2dQ5AmFUlNSKHEvloDkjHJO67M8XzkhiZKxL4Op2R3mSOMBlTnHCg==
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

2026-09-17T11:10:32.971670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047178
observed b6dc43908fe0ec88408218d433394fab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:32.951305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047178/manifest.json
observed 9def8ac431cfa00186296a2b5bbc5a7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:32.932108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047178/publication.md
observed 1c88e0251f689f6a91aee26147d6611d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:32.913751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047178/publication.txt
observed c744ce8f5eff8b769a8385b6c5b578c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:59.919552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047178
observed b6dc43908fe0ec88408218d433394fab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:59.901027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047178/manifest.json
observed 9def8ac431cfa00186296a2b5bbc5a7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:59.880527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047178/publication.md
observed 1c88e0251f689f6a91aee26147d6611d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:59.861979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047178/publication.txt
observed c744ce8f5eff8b769a8385b6c5b578c9...
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.