OpenTechnical

OT-2026-000064881

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000064881) never changes.

Identity and time

Publication numberOT-2026-000064881 · never reused
Internal UUID01a0ae8d-debd-783d-a668-0b2ee98b42f6 · 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-2026-000064881
StatusPUBLIC

Content hashes

Canonical texta8006d7c27abe7f64e651030cdd2bb6f7803d632cc56efdba8008bc822c2b1ae
Markdownc60b8400e255f950dbc036def3653219334f1a8102a61576a92ea488e47aa8ff
PDF
Publication pageb8d4e694ab18e4c1cfe0743b5e913dae0d439351ca54d7491dd76286ae0b8167
Manifest4228e912bebcd88bae363d2a61a88d3a8ab2594829b6c3fd1ada4ef23a01edc0

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
Signaturef09DC5e69Jz6RQLttsijUvwZmeBKeT2lg2KB1Th2zmCHAwafJxrPvexghe3mg1GqZyQCDviWlZsAf66FypykAQ==
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

2026-09-17T10:35:48.360567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064881
observed b8d4e694ab18e4c1cfe0743b5e913dae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:48.341938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064881/manifest.json
observed 4228e912bebcd88bae363d2a61a88d3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:48.322094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064881/publication.md
observed c60b8400e255f950dbc036def3653219...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:48.303688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064881/publication.txt
observed a8006d7c27abe7f64e651030cdd2bb6f...
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.