OpenTechnical

OT-2026-000011394

Publication integrity record

Four cup vacuum gripper, four zone face, three stage ejector, vented after 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-2026-000011394) never changes.

Identity and time

Publication numberOT-2026-000011394 · never reused
Internal UUID01a0ae6c-88fe-757f-8a9e-4df746ff2e82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011394
StatusPUBLIC

Content hashes

Canonical text72166a608b1acc74651802e399041b2b8308dd3f7f84dc8a53ae9af838b21b3a
Markdown00c497b14e1343db08dda636c34ce2a6c5ddf126b87a4d837cbec6fbfcb6d1b0
PDF
Publication pagebff2fde6bd69787d900346ce44f0c1fda1795c414867fdbaab187772e17df89f
Manifest7402a4b93d3140e76d1bcc31e0d1f1ef1a840565e218b40c86a4719b0a362bbb

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
SignatureBLiTMvAxMv/Mz2fa9ryfRvA18BrsQINAWZBUtYZ/e/dde6RgpLhO3/4wyuQfUOgITZGfUUN1O1LueBBA52yMBA==
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

2026-09-17T12:13:08.452200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011394
observed bff2fde6bd69787d900346ce44f0c1fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:08.434802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011394/manifest.json
observed 7402a4b93d3140e76d1bcc31e0d1f1ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:08.416290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011394/publication.md
observed 00c497b14e1343db08dda636c34ce2a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:08.397509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011394/publication.txt
observed 72166a608b1acc74651802e399041b2b...
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.