OpenTechnical

OT-2026-000025977

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000025977) never changes.

Identity and time

Publication numberOT-2026-000025977 · never reused
Internal UUID01a0ae71-a83f-737d-9dff-2378079e8839 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025977
StatusPUBLIC

Content hashes

Canonical text7ea2d1ec6a865e533a4e2f1179c0da3ce41d21e22f6d8a1d9749e6d78372bd7f
Markdownc6d0799dea0a8f067d2f0e0d2fbe9658f892d6fe94cdcb7aae8ddf8eee786a06
PDF
Publication paged99518547c33525c728cc8e53606c7b3b13746294eb9878f8a6154b64eedfce6
Manifest3cb04690c22e29d805016d5dd51090e93e61680b5cbb31e83053afd12d42449c

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
Signature+j0WEq00g2miQ6EkuZrACBRA7qvXU5owXgWJQl+MGZ7Qvu9+2ekFJJctieVJgL1rWBuMPOUd0bruWAAtRdOSDA==
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

2026-09-17T11:46:20.813475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025977
observed d99518547c33525c728cc8e53606c7b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:20.794050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025977/manifest.json
observed 3cb04690c22e29d805016d5dd51090e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:20.776925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025977/publication.md
observed c6d0799dea0a8f067d2f0e0d2fbe9658...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:20.757045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025977/publication.txt
observed 7ea2d1ec6a865e533a4e2f1179c0da3c...
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.