OpenTechnical

OT-2026-000066061

Publication integrity record

Single cup vacuum gripper, common isolation valve, single 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-2026-000066061) never changes.

Identity and time

Publication numberOT-2026-000066061 · never reused
Internal UUID01a0ae8e-8dc2-71ca-a57c-dcb8f448a1bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066061
StatusPUBLIC

Content hashes

Canonical textc05e8ea70a1d21a8fb9308da5b8d7823e0051188eea639702fbb27b90dbe4677
Markdownc17b494e67aa88cd8f354f26b45010d336054532bd728bc23ad12851b5c920be
PDF
Publication page8c03a5a41690a0248fdca055d4a265df962b1e42e201308fa67416abd1898977
Manifest58e307a4bbea8047debf68dfd576caed42a5ce65d848da40357231147dea22f7

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
SignatureFdUPL7cYQV3w1dGRLV/JmUONE+7W3aYD8m+QwKgeSrrwEic9dXu6kLIL438AY0yscld4zqbw8wdRKy6S6SzGCQ==
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

2026-09-17T08:50:41.773530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066061
observed 8c03a5a41690a0248fdca055d4a265df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:41.756260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066061/manifest.json
observed 58e307a4bbea8047debf68dfd576caed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:41.739050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066061/publication.md
observed c17b494e67aa88cd8f354f26b45010d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:41.592886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066061/publication.txt
observed c05e8ea70a1d21a8fb9308da5b8d7823...
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.