OpenTechnical

OT-2026-000019723

Publication integrity record

Three cup vacuum gripper, three zone face, three stage ejector, 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-2026-000019723) never changes.

Identity and time

Publication numberOT-2026-000019723 · never reused
Internal UUID01a0ae6f-1fb4-7282-95a7-14dea1b7ec9c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019723
StatusPUBLIC

Content hashes

Canonical text0123cbb88d4bf63f3a128b26a5f58eb3504539d4fa4394e89c7250fbe9d40617
Markdowna5704d229e112b3639598ece01022c0570834aa6a84fa2ca7ecb5865f55f26d1
PDF
Publication page753e3e0d8e040592abae34b0058beaa29770e54cb6647151fd49dd62df57a595
Manifest4e02e30bccd28aacd947dd434eddba1eba738f868a79d3599a3ee2fb393a87d0

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
SignatureTMWDKFLKSJev3mCoTBta5BA+kPQZbVuDlE4OBXIeil/eFMNCHlnenwkS9rw6A8KqQaqOkjP8PDtpp3nV+Ym0AQ==
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

2026-09-17T11:57:48.662414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019723
observed 753e3e0d8e040592abae34b0058beaa2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:48.645581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019723/manifest.json
observed 4e02e30bccd28aacd947dd434eddba1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:48.626398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019723/publication.md
observed a5704d229e112b3639598ece01022c05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:48.607047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019723/publication.txt
observed 0123cbb88d4bf63f3a128b26a5f58eb3...
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.