OpenTechnical

OT-2026-000064307

Publication integrity record

Three cup vacuum gripper, three zone face, two stage ejector, pressure sensor per zone, 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-2026-000064307) never changes.

Identity and time

Publication numberOT-2026-000064307 · never reused
Internal UUID01a0ae8d-a460-7df4-be61-dcbdf60a2e1d · 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-2026-000064307
StatusPUBLIC

Content hashes

Canonical text53dc000274d97c77fbaf281801b74f00755c97cb101ea4d74ad1627d2ff06853
Markdown83963586dcaade5bf92a30eb0b63793e18191c5c942531cd24878d34f32cb6f4
PDF
Publication pageb16e68a8eac803f320f3826ddc81f219103b91563b5cacdbd92717c94f8e07c4
Manifestb4eb620976d84a9a95727230f586f17efcc0814f3c0995d004eddfe21a0b57d4

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
Signature1OBp3UUTacQdmhxveSNlmlKm0F+zAjsNNNV09brY0qev9hObNg1ImaNOMbGAdWRBkD25NO/YS5GgRhOlI/5DDg==
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

2026-09-17T10:36:27.379908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064307
observed b16e68a8eac803f320f3826ddc81f219...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:27.360147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064307/manifest.json
observed b4eb620976d84a9a95727230f586f17e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:27.341143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064307/publication.md
observed 83963586dcaade5bf92a30eb0b63793e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:27.322578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064307/publication.txt
observed 53dc000274d97c77fbaf281801b74f00...
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.