OpenTechnical

OT-2026-000015477

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000015477) never changes.

Identity and time

Publication numberOT-2026-000015477 · never reused
Internal UUID01a0ae6d-ef4a-781a-9f16-22a19e075188 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015477
StatusPUBLIC

Content hashes

Canonical textd9c718a77e95fcf8f229160407dccf5f4bd91c0308e88133be031003921a29dd
Markdown575a85ca0b424c1865e3526cab0f647e8210dbddc63fc721cb29fb940cabb074
PDF
Publication page8097e8f779f6864277cbe7b710d37529ab6aee6b6bc28732c230ece84d7060d8
Manifest5009880c77561f577fc989e1326c8c2515283c91f46f8b5dd28185c5d057f325

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
SignatureFntPG3K2rjaGTNwTvkvJ1S+uf5o96eVhX3YKj0pBNpROIbwQ1Kyv+4Ck3wes3+jWRDMYuGexkXoXT3/5mgRQDw==
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

2026-09-17T12:06:14.093576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015477
observed 8097e8f779f6864277cbe7b710d37529...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:14.074088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015477/manifest.json
observed 5009880c77561f577fc989e1326c8c25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:14.053533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015477/publication.md
observed 575a85ca0b424c1865e3526cab0f647e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:14.035214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015477/publication.txt
observed d9c718a77e95fcf8f229160407dccf5f...
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.