OpenTechnical

OT-2026-000025043

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, 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-2026-000025043) never changes.

Identity and time

Publication numberOT-2026-000025043 · never reused
Internal UUID01a0ae71-2728-7db0-8fdf-0eeebae4a6a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025043
StatusPUBLIC

Content hashes

Canonical text8cc0829de8b80314d81b7455060a1b57d480a27474ac406838daa5290b97ebd3
Markdown510c7cb322ed81e0bce82f479133c6c2036b2c57ded3547b245c0d11a6b03db7
PDF
Publication page0219cb5538fd696b619a0d731509d532ed60335dffdc4d429e47ddd484fed324
Manifest1cb6810008ae987606d7bdda21ed0f944be41a629c03e00b40e3ad387e501eed

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
SignatureY+35AiNctVaqw4bGE5/EmZFqoTY6tdMLwTG28CTIQbnpsFS4K95eCKXtcqb8NcDo7vDXxIDS71jY2bZgaNjpDQ==
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

2026-09-17T11:48:26.969539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025043
observed 0219cb5538fd696b619a0d731509d532...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:26.951538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025043/manifest.json
observed 1cb6810008ae987606d7bdda21ed0f94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:26.933949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025043/publication.md
observed 510c7cb322ed81e0bce82f479133c6c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:26.914649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025043/publication.txt
observed 8cc0829de8b80314d81b7455060a1b57...
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.