OpenTechnical

OT-2026-000023445

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000023445) never changes.

Identity and time

Publication numberOT-2026-000023445 · never reused
Internal UUID01a0ae70-7269-7c15-b66b-6c79215469e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023445
StatusPUBLIC

Content hashes

Canonical text78c399c20f80347d19dfb904781e2c24daaf2148427779deb9cf7240e5478695
Markdown824d5f9a817d12bc64d67cc177ea6095ac853c6f79717188fef9b738b6a9e725
PDF
Publication page6e88429b8e10a43f200cb001d20d355211c72c23c7e2c06eb57ebe7238f3f00e
Manifestd30ac4b5b1a54c319c688c6e97de231339aefc4410ee5fcc9fcec1d4a2f2b259

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
SignatureUCRfT4Pt5LlL8sXTgV8CuW/ibKenFDAYyB0eR+VPk1DFkH8lEWUM5nt0lR+A6QWKL4Qkers1xzK7VuGI2todDg==
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

2026-09-17T11:51:39.673153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023445
observed 6e88429b8e10a43f200cb001d20d3552...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:39.655943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023445/manifest.json
observed d30ac4b5b1a54c319c688c6e97de2313...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:39.639773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023445/publication.md
observed 824d5f9a817d12bc64d67cc177ea6095...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:39.622653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023445/publication.txt
observed 78c399c20f80347d19dfb904781e2c24...
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.