OpenTechnical

OT-2026-000103638

Publication integrity record

Four cup vacuum gripper, four zone face, three stage ejector, 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-2026-000103638) never changes.

Identity and time

Publication numberOT-2026-000103638 · never reused
Internal UUID01a0aea4-e462-7e05-bb42-43ca7da8d224 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103638
StatusPUBLIC

Content hashes

Canonical textd60ab0b8ab3e6f680b8bbd2b4519b9486e2ab7eec5aeeca22db4946a1e19ab66
Markdownbc33de62ac9fc55b4b5977165070bb112e1b254f147dfa8d98debca483471c67
PDF
Publication page58322102144a87c7c541378256c5f2dafe19b9f12f3be40b05c6799a786ea6f3
Manifest00656a820cb2fc1fa7bb81987ccc47796a14118caa8f3cd9be2f74f5e914bc29

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
SignatureN/6xdn6lrd9cKl6duBp7M6uoegCLtzfsstBhiENaTTC7QclBkbIbIKxzNPURwNx5Z7/sDPgLV7qZGeveKL8MAg==
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

2026-09-17T09:22:26.073866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103638
observed 58322102144a87c7c541378256c5f2da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:26.056121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103638/manifest.json
observed 00656a820cb2fc1fa7bb81987ccc4779...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:26.039342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103638/publication.md
observed bc33de62ac9fc55b4b5977165070bb11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:26.022259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103638/publication.txt
observed d60ab0b8ab3e6f680b8bbd2b4519b948...
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.