OpenTechnical

OT-2026-000091320

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000091320) never changes.

Identity and time

Publication numberOT-2026-000091320 · never reused
Internal UUID01a0ae9c-f16c-798a-86ee-60ab28e2164d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091320
StatusPUBLIC

Content hashes

Canonical text7867d1973f6acddd68352475df78c7d0586352102ba3a6361afedceee2a751fd
Markdown01bb58109ce90b71045cd33b01980a0ea10e13d87e9f2a1796a3408d4790d849
PDF
Publication pagecba711f41b4cb71ca8a5db3e58c31c3dc3334441368d11c640814d980de8f5bc
Manifest365364ad6b334401862079ce3f1a503e0fd23839140e46645a529298a1089fa2

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
SignaturemFn0csNGO3vsNyzsHU3q+3Tv1lWBTx0YdKkG9lfqvoqlxj/WW7Z7Ov8tfVY+oOcgSJJQ4oJg96CPmTevK3fLCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:43:31.365358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091320
observed cba711f41b4cb71ca8a5db3e58c31c3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:31.349566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091320/manifest.json
observed 365364ad6b334401862079ce3f1a503e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:31.332464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091320/publication.md
observed 01bb58109ce90b71045cd33b01980a0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:31.315636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091320/publication.txt
observed 7867d1973f6acddd68352475df78c7d0...
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.