OpenTechnical

OT-2026-000102387

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, pulsed blow-off after set-down, on a tool changer

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-2026-000102387) never changes.

Identity and time

Publication numberOT-2026-000102387 · never reused
Internal UUID01a0aea4-8589-7f82-b42e-978202a129fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102387
StatusPUBLIC

Content hashes

Canonical textaf190a3d0daa0de9ec16b547af1bb90a238dd7300dc3ec6bc284da0896e3460b
Markdown9133da852145ee362e30338ec7ba3999a1dfea42a5826fbfbea74000cb2186d3
PDF
Publication page3b38f9bfeb9354c1f4135892b479f5cb62a742a91b6d5fba83742399952c9ce0
Manifest4102e69dffb35ec401ec030225198e2d00ed1dc1092dbf7ea7289d5fb01d71c0

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
SignatureZ/EeT/2F6YpCqM5VHaImjocKS29FG/wKDgYWsxWcbkaQ87JGXFLNFxcCA/LlDSjQHNE6qFj8i9pEZp/NoiVOCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:43.611429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102387
observed 3b38f9bfeb9354c1f4135892b479f5cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:43.593200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102387/manifest.json
observed 4102e69dffb35ec401ec030225198e2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:43.574576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102387/publication.md
observed 9133da852145ee362e30338ec7ba3999...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:43.555890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102387/publication.txt
observed af190a3d0daa0de9ec16b547af1bb90a...
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.