OpenTechnical

OT-2026-000025605

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000025605) never changes.

Identity and time

Publication numberOT-2026-000025605 · never reused
Internal UUID01a0ae71-9bc9-79b0-a072-e003ce1a58c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025605
StatusPUBLIC

Content hashes

Canonical text94c48b7c8b8e01cfcdf9afb5efed8ef5142ec815fd00429ef3f5b9f3f1241281
Markdownd46e66d9e32df28e5eafe581b809733f6788d312379e1176431d55fe53e9534b
PDF
Publication pagefd80b6e9edb46ead49a4f49d8e2238d20a35b4f1b6963474f9c74eb7afd85197
Manifest63ac3f60cf81751f2ba95bc791c14b8e6c3615799cc009895c9d97f9f0dbf8a8

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
SignatureU9LQo0OMO1z/ow9yRrxcoQvLoNlT93l9FvdaBfBQcCjPRM3F17cbbZQFoIHoh2aV7tIJ+ErCwPYSM8Q7AWTZAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:46:47.305925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025605
observed fd80b6e9edb46ead49a4f49d8e2238d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:47.289665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025605/manifest.json
observed 63ac3f60cf81751f2ba95bc791c14b8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:47.270136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025605/publication.md
observed d46e66d9e32df28e5eafe581b809733f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:47.249508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025605/publication.txt
observed 94c48b7c8b8e01cfcdf9afb5efed8ef5...
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.