OpenTechnical

OT-2026-000031699

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, pulsed blow-off before set-down

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-2026-000031699) never changes.

Identity and time

Publication numberOT-2026-000031699 · never reused
Internal UUID01a0ae74-bad0-74ad-b0e5-7358a1262bae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031699
StatusPUBLIC

Content hashes

Canonical text63fce6df0b7e5568f114569920d0781dff13db8d2c96b5b17538c570884f6d83
Markdown73b6e92d4d990c06b686ad5b18d6869d0cadcd81e02c10e521ce46eb2d9c8e90
PDF
Publication page1535bd9544be7bdd4f91dd9c298c36ae6538048a6455ad3451e9e828c7e765f1
Manifest58b636f619a67db83131ab4807cf3ca5eb6519857e29a9f10789ca3f5bcd3641

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
SignatureOT8mMGLlmVQY2cng3OHZgruflscG0a0CxgxMiAK4PlEL8LAYRVGLJNFwyzgidA9nRYyTLNaCkn6vXadVuzC5Bg==
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

2026-09-17T11:34:48.348448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031699
observed 1535bd9544be7bdd4f91dd9c298c36ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:48.330902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031699/manifest.json
observed 58b636f619a67db83131ab4807cf3ca5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:48.311466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031699/publication.md
observed 73b6e92d4d990c06b686ad5b18d6869d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:48.294596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031699/publication.txt
observed 63fce6df0b7e5568f114569920d0781d...
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.