OpenTechnical

OT-2026-000013555

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, 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-2026-000013555) never changes.

Identity and time

Publication numberOT-2026-000013555 · never reused
Internal UUID01a0ae6d-6fcb-74fa-9962-5d708125a029 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013555
StatusPUBLIC

Content hashes

Canonical text660bdb7d90e9c31a8d79657533968ccd00b1df342cc3423a67ccf3633b775b0b
Markdown5039e155e65a9efaa461d2276245b0b8aa9477c77d3516459e39efb773d5a02c
PDF
Publication pagee6e18c3779124f6c4f3a3c0f2bcb39c5ca38b500af6e1a3ba5f8e0ecbf050fa3
Manifest360b626befe99d7c1d4ca6d40dffd3be29a6375548a994926600030c1ade655b

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
SignaturedUyRUZ9CZHNIRrXszRJyaC3Ox2DijhoncnlDUUVO3Bt9fWYYtWDLuJuFVUaornRVqk6XuUyrWzLKL1wh6YOXCQ==
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

2026-09-17T12:09:22.621469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013555
observed e6e18c3779124f6c4f3a3c0f2bcb39c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:22.600869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013555/manifest.json
observed 360b626befe99d7c1d4ca6d40dffd3be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:22.581020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013555/publication.md
observed 5039e155e65a9efaa461d2276245b0b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:22.558083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013555/publication.txt
observed 660bdb7d90e9c31a8d79657533968ccd...
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.