OpenTechnical

OT-2026-000064987

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single 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-2026-000064987) never changes.

Identity and time

Publication numberOT-2026-000064987 · never reused
Internal UUID01a0ae8d-debe-7839-aeac-5fabb7e3d2a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064987
StatusPUBLIC

Content hashes

Canonical textaefb00f9d29e6802dfff15321fe3c582dfd1f60f93a0e7b7012e4c3e6e981bcd
Markdowna8327b66f9a5bc912f906cac548629414034fde0c20135461a496ccea790cb9b
PDF
Publication pageb0bf036ac6521cd0ee67c0d06a1729a9677ac7eb743c03ad9a73e2ee49c383ef
Manifestf631158d269ec93e8e20e1465db1f5a00ab06f586aeaa490cf780bff1a9c4c51

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
Signature6wl8yesCLEpipiCW7bRcfACRfM8MqYtm+9rgYQiazjyxTos6v+h1ixUVKdyXw9NJ53jBHbnV2xRSG60Ukx5yDw==
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

2026-09-17T10:35:56.237330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064987
observed b0bf036ac6521cd0ee67c0d06a1729a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:56.220046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064987/manifest.json
observed f631158d269ec93e8e20e1465db1f5a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:56.203304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064987/publication.md
observed a8327b66f9a5bc912f906cac54862941...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:56.183850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064987/publication.txt
observed aefb00f9d29e6802dfff15321fe3c582...
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.