OpenTechnical

OT-2026-000022729

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, 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-2026-000022729) never changes.

Identity and time

Publication numberOT-2026-000022729 · never reused
Internal UUID01a0ae70-46e9-721d-a253-64ec3c84b4e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022729
StatusPUBLIC

Content hashes

Canonical textbe5b33b0f53add59af083d5af1af4810da00c1b5a4375df86028653dd08d59dc
Markdown6382632923a899e85fdf7cd34c1fdcca8a3983d4ce220010aa3d970efcdcc739
PDF
Publication page9971deb59492575b5860c28a88f6ac952c522e3a23f190efb63145d9641828c7
Manifestd323170a3071b8f6c2a3d522bf5f16c3226da4a47d7fad118567859a0085c80c

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
SignatureZfGUmzz25m1w1njVvaaXZjOaKtyLVX8OcYqeD0zqNI0TOF9QHeIZZx8c/Bbl8dPSRQPt3WBYEbty6jVPUM/MDQ==
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

2026-09-17T11:52:13.983091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022729
observed 9971deb59492575b5860c28a88f6ac95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:13.963683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022729/manifest.json
observed d323170a3071b8f6c2a3d522bf5f16c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:13.943834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022729/publication.md
observed 6382632923a899e85fdf7cd34c1fdcca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:13.924462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022729/publication.txt
observed be5b33b0f53add59af083d5af1af4810...
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.