OpenTechnical

OT-2026-000012345

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000012345) never changes.

Identity and time

Publication numberOT-2026-000012345 · never reused
Internal UUID01a0ae6d-39f6-71f2-8869-dbd0c8f12dbe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012345
StatusPUBLIC

Content hashes

Canonical text4e5fd30dd90bdb11dc23c26fe26bfab4a80ae5abf5d1f9d87982375d61281a18
Markdown7d5c95ad959cef7c26798ee3a3b82757af4db00a28f8ea2da2fe0d221eeedd58
PDF
Publication page2ceaa0abe5a39e176d6818506265b270481765d0a572fb796e862b8c8b96a5dc
Manifestbe69495688d07056fe509cb3da15b6e847dba49a7e874a88a001dabb4287c92e

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
SignatureLlfC18sKHa7Do4/duV9uxq927yQqVIUQuJvL5JkMvSPcQCV/240NsrZoRg6yHLb5xSuTZtsqRyldYbOrVsLiBA==
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

2026-09-17T12:11:49.541284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012345
observed 2ceaa0abe5a39e176d6818506265b270...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:49.524469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012345/manifest.json
observed be69495688d07056fe509cb3da15b6e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:49.507228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012345/publication.md
observed 7d5c95ad959cef7c26798ee3a3b82757...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:49.489744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012345/publication.txt
observed 4e5fd30dd90bdb11dc23c26fe26bfab4...
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.