OpenTechnical

OT-2026-000046348

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000046348) never changes.

Identity and time

Publication numberOT-2026-000046348 · never reused
Internal UUID01a0ae7e-57cb-739b-b5f8-36fb56080d17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046348
StatusPUBLIC

Content hashes

Canonical text65a28d5389405c3e9363eddffec68228bcb09b3d6def41129add767777bd0b5d
Markdown8b1e213369ef807092bb268ea973d95b97f301c8b996211d4e62b969da959e5b
PDF
Publication page7629f5952139d0f8279ad6cd20cc3a57c6be62ab7561180aaaf6e9c1722ca697
Manifest63c70afe0ee9b51ec7c9427f0797c93f72afc9b9dfd1c7676a0ee063b42eb971

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
SignatureTU7BUTu33Mfc/MZJYX570Syp7Lvvs7kD9Ag4wa5hqtOSd/eEggSxC30KJGxUVFxTj2eqY+6RBVLgi1aMtD58Cg==
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

2026-09-17T11:08:20.381695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046348
observed 7629f5952139d0f8279ad6cd20cc3a57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:20.363044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046348/manifest.json
observed 63c70afe0ee9b51ec7c9427f0797c93f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:20.342801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046348/publication.md
observed 8b1e213369ef807092bb268ea973d95b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:20.321449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046348/publication.txt
observed 65a28d5389405c3e9363eddffec68228...
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.