OpenTechnical

OT-2026-000033440

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000033440) never changes.

Identity and time

Publication numberOT-2026-000033440 · never reused
Internal UUID01a0ae75-a38d-7fe9-8ff3-32b314d332a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033440
StatusPUBLIC

Content hashes

Canonical text38a2bdfe6a7296e78181dd2b3d352a92ec54aa67900fdd076291caa87076e7e1
Markdown4478509df518d699e6daf426eec3f08f3fca86f7b2b97a06567cf1a82adda318
PDF
Publication page3d20f1c19e07bf39ce9149410ad8f51b7e9b363a3f0c02421a63e43b1f3d0fce
Manifest370e4b6263897e56a209e91f5959f830c1b3877af0cea801e1c7b15be2ef3ade

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
SignatureS0bNXy+t7phWGWVo6qJF4dPceS8S1FyeBpxKeonM5LdQvx4Yy6+68wFiko6TYzch7RKTKDXr0vdGJh++3EIeCg==
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

2026-09-17T11:31:16.288295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033440
observed 3d20f1c19e07bf39ce9149410ad8f51b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:16.268816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033440/manifest.json
observed 370e4b6263897e56a209e91f5959f830...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:16.248680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033440/publication.md
observed 4478509df518d699e6daf426eec3f08f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:16.230240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033440/publication.txt
observed 38a2bdfe6a7296e78181dd2b3d352a92...
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.