OpenTechnical

OT-2026-000082295

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, sustained 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-2026-000082295) never changes.

Identity and time

Publication numberOT-2026-000082295 · never reused
Internal UUID01a0ae97-4d94-7457-a232-e2094abf952f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082295
StatusPUBLIC

Content hashes

Canonical text1dca7bea7a5534fc2d3f39c235fa470c7e94a15eae38b698c058ff5cc86e8ada
Markdown6ca24c80a4ab031da4116df85d6d0a6bfa1bc7b81a3b5254ecb9479ecf066b94
PDF
Publication page0c1114c117959f55316085c14623f68fd008b0d285d7d495a02a0ead783b428c
Manifest02a7a45fd55b76a02b7297373bd7e5356a264f13cbbfe6006169f6e4d077e5e0

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
SignatureftOtBhdrj6QMMqROVfy7qJWR2bSdT1oobWwwOlniQgca9Ofth1usI4Cqt98biwm6ky3cGxItT8sHsp/IvuGfBw==
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

2026-09-17T09:59:09.364488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082295
observed 0c1114c117959f55316085c14623f68f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:09.346868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082295/manifest.json
observed 02a7a45fd55b76a02b7297373bd7e535...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:09.327741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082295/publication.md
observed 6ca24c80a4ab031da4116df85d6d0a6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:09.309859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082295/publication.txt
observed 1dca7bea7a5534fc2d3f39c235fa470c...
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.