OpenTechnical

OT-2026-000072183

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000072183) never changes.

Identity and time

Publication numberOT-2026-000072183 · never reused
Internal UUID01a0ae92-47c2-72c0-9c65-688dfd2de57e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072183
StatusPUBLIC

Content hashes

Canonical text633bb65c5b9b4138e2ad2d265633339f3a92517119d7136ffc32ab1f16aa5ff8
Markdown4ddc05e9ff6fe188166397a75d1ba2ae84d37dda8cc349e59681891128a75e50
PDF
Publication page10d7665452d44a41b5deaa18b668fe4026c79ac6df27b02f30da243190e026b4
Manifest3f9b48aecc17dc007758d58e5e056ac23758846f161d42236d1812050931a011

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
Signatureoz5NrOzJ6CwasEtTSLUjpduoSSfp3hsX0K8RqV+c3yBAbk64SJ6ASAMQjqY8yJXEMR3H5/KkukANiL85t6nICA==
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

2026-09-17T10:23:16.910822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072183
observed 10d7665452d44a41b5deaa18b668fe40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:16.894632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072183/manifest.json
observed 3f9b48aecc17dc007758d58e5e056ac2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:16.878137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072183/publication.md
observed 4ddc05e9ff6fe188166397a75d1ba2ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:16.862635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072183/publication.txt
observed 633bb65c5b9b4138e2ad2d265633339f...
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.