OpenTechnical

OT-2026-000029602

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off before 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-2026-000029602) never changes.

Identity and time

Publication numberOT-2026-000029602 · never reused
Internal UUID01a0ae73-5e22-721e-878c-8b26d6dcb149 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029602
StatusPUBLIC

Content hashes

Canonical text78d6d0fe429dcb7e41e74fcd44c34085dd25cfef16efde04dc9fb18cdc5ea03f
Markdown56b3d254daa1246315a795868ab9065731af97c84dce882297d60d354db37321
PDF
Publication page150a551109db5c6ad0816ffe54206a74ccbd31abeefe61ad1aa9941b05b711fa
Manifest922a02ae4f2db7a504461703101a63fc4474615975a7aef36765739b13acd50b

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
SignatureT+aC2rAKGAcE/bfee2pTJ3So5vIaWF2q19iN5zTI9hKX3ihLWWmk9yS8oS0V/b+Ff1g+Mfzl6HFDBcm+eFqQBg==
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

2026-09-17T11:39:18.212953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029602
observed 150a551109db5c6ad0816ffe54206a74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:18.196914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029602/manifest.json
observed 922a02ae4f2db7a504461703101a63fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:18.178219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029602/publication.md
observed 56b3d254daa1246315a795868ab90657...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:18.160001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029602/publication.txt
observed 78d6d0fe429dcb7e41e74fcd44c34085...
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.