OpenTechnical

OT-2026-000010247

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, vented after 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-2026-000010247) never changes.

Identity and time

Publication numberOT-2026-000010247 · never reused
Internal UUID01a0ae6b-cb7b-7198-a997-cb85721fc253 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010247
StatusPUBLIC

Content hashes

Canonical text37745dd21d542b9b74ae0052f0bd94f14fabfb579b93bf8588254536f142532c
Markdown55145e18b9177db1ee472b1d0ec944e88f6427f620665c3d348cba45fb3c893f
PDF
Publication page737c690a47c8f29d9624c7f6eaf62d66b4827a223a05e84fbc0f6a7021f96171
Manifestd0231fe8b4868b7210ff0ce5ea867cc79a736df52cda1213ab4603afe6619b98

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
SignatureN2fn2fR2ovx4hYm9T3Ty4CffuQXqtulrwfvGMfW5MQFeH/rUqeCIkHMzxclyKQesVmDRyu/WH49U7nbJzrF8BA==
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

2026-09-17T12:16:27.715865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010247
observed 737c690a47c8f29d9624c7f6eaf62d66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:27.687259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010247/manifest.json
observed d0231fe8b4868b7210ff0ce5ea867cc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:22.928674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010247/publication.md
observed 55145e18b9177db1ee472b1d0ec944e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:22.908513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010247/publication.txt
observed 37745dd21d542b9b74ae0052f0bd94f1...
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.