OpenTechnical

OT-2026-000068002

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000068002) never changes.

Identity and time

Publication numberOT-2026-000068002 · never reused
Internal UUID01a0ae8f-c4fd-7075-b08c-54b99824674c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068002
StatusPUBLIC

Content hashes

Canonical text1c96b8d27b089f0a37e960539e80b4c700195356e7fe8e601026e02d121ca8bf
Markdowne778830ab4e487f5b2956860655ece4807bf744c5c730274c94b9cacec7b6f5a
PDF
Publication page8b94a167c5fcc6503a5daf98cc997e31b63800ccb8a055bd7b4e991dc67a3bed
Manifestf335c5d01fc03aaf4a108c51a682a6d6fd55a2d8c250ad948268159cd5ca3c38

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
SignatureCZ4Tb7+XZzaDnZ6yZa56YVQvP6w4yYbla/frwHV6n4uXSAfywCwxMdk6aB15vSDYxcz5GEPNbpEx8g/e2fN3Aw==
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

2026-09-17T10:30:33.375946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068002
observed 8b94a167c5fcc6503a5daf98cc997e31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:33.359318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068002/manifest.json
observed f335c5d01fc03aaf4a108c51a682a6d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:33.341472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068002/publication.md
observed e778830ab4e487f5b2956860655ece48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:33.323645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068002/publication.txt
observed 1c96b8d27b089f0a37e960539e80b4c7...
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.