OpenTechnical

OT-2026-000064383

Publication integrity record

Three cup vacuum gripper, three zone face, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000064383) never changes.

Identity and time

Publication numberOT-2026-000064383 · never reused
Internal UUID01a0ae8d-a461-727b-87b9-2acda8f0d098 · 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-2026-000064383
StatusPUBLIC

Content hashes

Canonical text35d81f86e4f0ffe878369dc8707ac46974071bde4dd43d81f1e8d078a655c689
Markdownd4234d11b6b3d7d9ff60886fedc7cbbc10fc9c6fba331f9399ef6195f36eb1a7
PDF
Publication pagef3ebf0a4899892ec1d597ec7ba4dd71ed031373b7ffd51734ea092138bf9ba3f
Manifest2bebcf45d698fa291940d19bd3e750167ff2c7f963944fcb71845e3d572080c7

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
SignatureBFqh4yOVN/0XtXecH+N29U4uxQkOUaLs94vAXC/dN/3aIYh+iNnYkV6InLyWdgT4rpvjz4/ZZTdLSAZgdQDoCA==
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

2026-09-17T10:36:33.168704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064383
observed f3ebf0a4899892ec1d597ec7ba4dd71e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:33.151960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064383/manifest.json
observed 2bebcf45d698fa291940d19bd3e75016...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:33.134169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064383/publication.md
observed d4234d11b6b3d7d9ff60886fedc7cbbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:33.116060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064383/publication.txt
observed 35d81f86e4f0ffe878369dc8707ac469...
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.