OpenTechnical

OT-2026-000051728

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, pulsed 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-2026-000051728) never changes.

Identity and time

Publication numberOT-2026-000051728 · never reused
Internal UUID01a0ae83-7c83-77c1-b881-193526929578 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051728
StatusPUBLIC

Content hashes

Canonical text287a63956230cc0a552597c9d1dbd5561982ba44b840e0e0b07ff7442f47fdaf
Markdown9dbcb1f8749997878784075faa8a6c78dc38fef8a8547eccce7ea572190e764f
PDF
Publication pagecf2e5eec22e86fce5669c8717c85ebd6b32f7227b15b0c9105cb39e470571809
Manifest66e22e82c7601d6bc6cbacc17fe8f818b75675b9aefebcdd58260aee53b7e560

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
SignaturemINYPU9ZEEvJBUn7/2P5uxirdvVUzdybopckOQWF5MJ48MQNwPOk4aMUW9NjTMllG8VqPzLSIEQSvI9A+JnqDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:37.145754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051728
observed cf2e5eec22e86fce5669c8717c85ebd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:37.125707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051728/manifest.json
observed 66e22e82c7601d6bc6cbacc17fe8f818...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:37.105909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051728/publication.md
observed 9dbcb1f8749997878784075faa8a6c78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:37.084635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051728/publication.txt
observed 287a63956230cc0a552597c9d1dbd556...
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.