OpenTechnical

OT-2026-000011699

Publication integrity record

Single bellows cup vacuum gripper, 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-2026-000011699) never changes.

Identity and time

Publication numberOT-2026-000011699 · never reused
Internal UUID01a0ae6d-1940-70be-9774-74b6362ffcb2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011699
StatusPUBLIC

Content hashes

Canonical text75f141b8ce5ee26a74e7683391b2ec14c2111d54f654766139c52cea42f3b81d
Markdowna5ba4850b7d835b79a494e0253ef47e0a9523278d9a3cb8eb27e9cdaf37b3adb
PDF
Publication page9c27877771dce0e750a6e46a4903f390fdf613f1273856307b64cf26dfb4bb11
Manifest0ef0911554a36cfd2ae3eaf6b1a222a558f3c2bc2a371da515b97be7fda6804f

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
SignatureOAogF+pVTp/OVUbRBmfJs6cWrA1wkdSprM1OQt8axvb2FerZRkdp2HliN1sET7nRvwJqV++xi/MJp3jIcqiEAA==
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

2026-09-17T12:12:18.330115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011699
observed 9c27877771dce0e750a6e46a4903f390...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:18.311681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011699/manifest.json
observed 0ef0911554a36cfd2ae3eaf6b1a222a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:18.292371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011699/publication.md
observed a5ba4850b7d835b79a494e0253ef47e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:18.273102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011699/publication.txt
observed 75f141b8ce5ee26a74e7683391b2ec14...
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.