OpenTechnical

OT-2026-000008402

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, manifold 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-2026-000008402) never changes.

Identity and time

Publication numberOT-2026-000008402 · never reused
Internal UUID01a0ae6a-e469-7397-af63-528bf433d3d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008402
StatusPUBLIC

Content hashes

Canonical texte84c0cc5b148b9db4a95d4078f035f17de7d3cc22fdb0a7211eea05c7b2df2cb
Markdown08afe9455852b3d42b893a455db5aea74ed4c9685c5f78d23e14fab5e8169a24
PDF
Publication page2976cd7fda21c503779de84c6a2923c18a0434cc3f74d789619a91b78843b433
Manifest872ddba0aebab0b24fa480f0c043a5aa2e265170cda072d9409599c522f4c287

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
Signature0pHSBr/PgxLCoEgluylC+kSxvvLd/Ktq4V07mi6d/BPPqBZ7UJyTHBwqE8RTaf+wOYONUTKIcCH38VjqzzJ/Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:14.736104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008402
observed 2976cd7fda21c503779de84c6a2923c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:14.716840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008402/manifest.json
observed 872ddba0aebab0b24fa480f0c043a5aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:14.698662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008402/publication.md
observed 08afe9455852b3d42b893a455db5aea7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:14.677662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008402/publication.txt
observed e84c0cc5b148b9db4a95d4078f035f17...
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.