OpenTechnical

OT-2026-000064189

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000064189) never changes.

Identity and time

Publication numberOT-2026-000064189 · never reused
Internal UUID01a0ae8d-a45f-797d-b1e8-372d44162f37 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064189
StatusPUBLIC

Content hashes

Canonical text8c4feb00fe73efed104ef557a1fa2b9d852f95ba222373ff221123228767961f
Markdown01c857d3bd4c3acb23ad3fa2e855674b6149f3843d1e550b9107a3da3f17bd75
PDF
Publication page8c8891e2c5d11c4246520178f91b2b913b8a6ed0ea29f7960267825637bfcd8a
Manifest6028cb54599bd5b5385159d25ed71064e3edf57a9b49bdd5a3554a767d13ff86

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
Signature5608bqweiBWHGSPEwp72Ip8ukw+83T0hXJgF2GIBHANH8HAG32vcyz+in8xFpgdW6uhPNq1tag21sc3S0h+7Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:36:12.476231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064189
observed 8c8891e2c5d11c4246520178f91b2b91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:12.457536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064189/manifest.json
observed 6028cb54599bd5b5385159d25ed71064...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:12.439867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064189/publication.md
observed 01c857d3bd4c3acb23ad3fa2e855674b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:12.421414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064189/publication.txt
observed 8c4feb00fe73efed104ef557a1fa2b9d...
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.