OpenTechnical

OT-2026-000043527

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000043527) never changes.

Identity and time

Publication numberOT-2026-000043527 · never reused
Internal UUID01a0ae7b-92cf-7375-9a41-b0155c2b804a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043527
StatusPUBLIC

Content hashes

Canonical textd7236bce856d3bbefdce2347145700b19ea2bba283adf8298d1ad7778f1afc3a
Markdowne520f11e4d9c42c3f7d1421c46fdc884757185df451aadc749f8687ab6d902a6
PDF
Publication paged45cbd39d267d7d2a3c0ac3183ad226a73d3245f01c539af03a7f6493eed8583
Manifeste6aa57df3cfb0081cb1903e7dd2d26651a92ebc1d3e3c104bd8f4461dec74b75

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
Signature66/Crd+PJKQNyNjZHvGtrv0n3q5rpaSY2T+9uWOevZVz9k4VrcZ9AHIjobEI6m0UnjyEyw2BkIpLqQ9vfeTJCg==
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

2026-09-17T11:12:54.244694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043527
observed d45cbd39d267d7d2a3c0ac3183ad226a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:54.225408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043527/manifest.json
observed e6aa57df3cfb0081cb1903e7dd2d2665...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:54.204115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043527/publication.md
observed e520f11e4d9c42c3f7d1421c46fdc884...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:54.181619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043527/publication.txt
observed d7236bce856d3bbefdce2347145700b1...
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.