OpenTechnical

OT-2026-000030512

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000030512) never changes.

Identity and time

Publication numberOT-2026-000030512 · never reused
Internal UUID01a0ae73-e504-7ca4-a982-c3653d154f7b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030512
StatusPUBLIC

Content hashes

Canonical text55582e26c6767bd12b74fe4068b8ae5263c8e91ad849659a3ee24d89dccbbf04
Markdown16cabfa504242addb7e1c8fb0c9a6a1b2316143c551ef45a0b42eff7a78b84c4
PDF
Publication page2f04a4f412870493d75d537d1c777226c447b67a5134ef4a0a01662508cddb0d
Manifest22493885535edb8164ae3f42c9458efeb66dfe4f6dccc2298ae3c45786ee511a

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
SignatureABmSL8swVfoZe7AdpU2azvkVU72HJV5OTOXrkr8bwuY/rs22HhXBoPMLO1qqYRJo+YFAZTUPYf3JZXSpVhmKBQ==
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

2026-09-17T11:38:22.381778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030512
observed 2f04a4f412870493d75d537d1c777226...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:22.365132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030512/manifest.json
observed 22493885535edb8164ae3f42c9458efe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:22.347655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030512/publication.md
observed 16cabfa504242addb7e1c8fb0c9a6a1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:22.330889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030512/publication.txt
observed 55582e26c6767bd12b74fe4068b8ae52...
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.