OpenTechnical

OT-2026-000015789

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed 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-2026-000015789) never changes.

Identity and time

Publication numberOT-2026-000015789 · never reused
Internal UUID01a0ae6e-0c4c-79d2-a9a9-e42d9a35a7eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015789
StatusPUBLIC

Content hashes

Canonical text909176870acc23e895024dae0f3552b916131b356520d36e6c071e4f2d2a5f1a
Markdown6fe67beb32fc2fcb48e0094cc3e4edc45820f02d3322a2bf39e716fe993b92d2
PDF
Publication page55b0c9fa57e0eeeeded66fc1a150fa7f5be49b84269d3fe99dfa9ed7f279a531
Manifest4f353539fa8fb54362cb8027321694b0473ec56291fbebefaef194e1c685be30

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
Signature7d3fzA3vU41G36kJdJlnxhfieMBAi0OGZGlD6wsvLA09lsAMsMI8qZp8gJF7S82rcOnomyJZHcZLSitdl1bxBQ==
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

2026-09-17T12:05:05.609152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015789
observed 55b0c9fa57e0eeeeded66fc1a150fa7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:05.592285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015789/manifest.json
observed 4f353539fa8fb54362cb8027321694b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:05.575449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015789/publication.md
observed 6fe67beb32fc2fcb48e0094cc3e4edc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:05.558372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015789/publication.txt
observed 909176870acc23e895024dae0f3552b9...
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.