OpenTechnical

OT-2026-000045741

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000045741) never changes.

Identity and time

Publication numberOT-2026-000045741 · never reused
Internal UUID01a0ae7d-8f04-7e29-bd83-d36a813857f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045741
StatusPUBLIC

Content hashes

Canonical text9e265a3eba7383ac95ca4a70422c60d711c7407853e1a71eaebef9c026aa0bbf
Markdownbc771a6d0b5f65ed51b48d686fb6c1db6f31bbd3fbe07f951243be8b98415ebe
PDF
Publication pagedd60d5cd90e498a821c08ec2dbb791988b4c9df764e43446c442380603ac70cc
Manifest29b938961849db222220138ef4ba6e16ae78dfe3a365d44c7124b59db9a93a5e

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
Signaturee7itW797w/ATIvIMpGuQjS0euKNcHB2tCRtDYB+Lh7kikL8YaBUU40kUyhRmP01/63LY+Io+3mFh6NTpjGs8AA==
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

2026-09-17T11:09:33.630900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045741
observed dd60d5cd90e498a821c08ec2dbb79198...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:33.612709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045741/manifest.json
observed 29b938961849db222220138ef4ba6e16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:33.595612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045741/publication.md
observed bc771a6d0b5f65ed51b48d686fb6c1db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:33.578881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045741/publication.txt
observed 9e265a3eba7383ac95ca4a70422c60d7...
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.