OpenTechnical

OT-2026-000012467

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single 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-2026-000012467) never changes.

Identity and time

Publication numberOT-2026-000012467 · never reused
Internal UUID01a0ae6d-39f7-7c49-9dd2-faec1e7a0710 · 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-2026-000012467
StatusPUBLIC

Content hashes

Canonical text03384f1fa7dc6f328ae15f4aeb594ea79efc5e9759ccd348cfd7f081c2a45112
Markdown03e36d09ffab87ee219234363b64b4e7692c3c9c2784458352e5831b7d4177e5
PDF
Publication page5681b4fc0aa42063c974763a66aec69d80ee8cafc4b6b1ce658132aed2c8139f
Manifest39cccc157684a9a63543f92775484b3383d80c6596a7f63c57a3156dfe253342

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
SignaturexWAdaXxIx6gZ/UVA/Q7bPix1VFj+U77s12tiKJvfE8TY36O+yuigvDS5543oGMxBiIu462MQ7Q2+rJi6v+/BDA==
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

2026-09-17T12:11:58.614403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012467
observed 5681b4fc0aa42063c974763a66aec69d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:58.595039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012467/manifest.json
observed 39cccc157684a9a63543f92775484b33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:58.576086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012467/publication.md
observed 03e36d09ffab87ee219234363b64b4e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:58.557614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012467/publication.txt
observed 03384f1fa7dc6f328ae15f4aeb594ea7...
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.