OpenTechnical

OT-2026-000030777

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000030777) never changes.

Identity and time

Publication numberOT-2026-000030777 · never reused
Internal UUID01a0ae74-3fb4-785c-a0c1-5db7925f3bc5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030777
StatusPUBLIC

Content hashes

Canonical text83696131000604f4a8313936afc115bc0cbbdb61396b0e1e856c751de5453f3f
Markdowna587cdb773282922ec93787e2fc5194c12c2f3fb86fd70b447c48434c0f25fd8
PDF
Publication page730348d71a8ef61c2d591459e2fd889ab1d0540fa50d52ac0177f39081923591
Manifest72cd5859f1b603a4c1671be58aeb40609b4a0c72a07b697fd85e2d99b92c8796

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
SignaturegCHMqPFNhb/4pvhBLLUk+cNqZ9HpMTNfLIIx7+lW9YvshTWfB7HarfkdwjBv2CKPc7kRZMERWk0mOEFNStCTCQ==
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

2026-09-17T11:36:44.211983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030777
observed 730348d71a8ef61c2d591459e2fd889a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:44.193466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030777/manifest.json
observed 72cd5859f1b603a4c1671be58aeb4060...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:44.174358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030777/publication.md
observed a587cdb773282922ec93787e2fc5194c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:44.155410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030777/publication.txt
observed 83696131000604f4a8313936afc115bc...
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.