OpenTechnical

OT-2026-000026263

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, pulsed blow-off before set-down, on a tool changer

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-2026-000026263) never changes.

Identity and time

Publication numberOT-2026-000026263 · never reused
Internal UUID01a0ae71-f4a5-7e95-b8c3-cddcba657742 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026263
StatusPUBLIC

Content hashes

Canonical texta2d7f982b8c8b0ef12b98c63a6dd9cf0c1d610e0a7d55db7fc2418c5892878dc
Markdownacddd7f55c5a69cf09ccb63698ff086354960542810c32d3917e8053b5a9973b
PDF
Publication page6eda1d3fd85c17a16c52735c448c174c489507e9567e7b527c383dcdac07b408
Manifestd65556729abfb04b9a417402048415cfd4472b460d14b4ed85bd83e86c5b3618

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
SignaturevWT1QKxcC3TW7tJcDjrn87nI560OGuJhjJ1x0pBQpIQM5bpFI7VGbFHZeqgmyAf121REjcRP3Mnbkqyw+aEvAA==
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

2026-09-17T11:44:12.466234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026263
observed 6eda1d3fd85c17a16c52735c448c174c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:12.446147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026263/manifest.json
observed d65556729abfb04b9a417402048415cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:12.427706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026263/publication.md
observed acddd7f55c5a69cf09ccb63698ff0863...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:12.407604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026263/publication.txt
observed a2d7f982b8c8b0ef12b98c63a6dd9cf0...
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.