OpenTechnical

OT-2026-000013933

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump 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-2026-000013933) never changes.

Identity and time

Publication numberOT-2026-000013933 · never reused
Internal UUID01a0ae6d-8dea-7aa0-bb80-9865aaf8dfc6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013933
StatusPUBLIC

Content hashes

Canonical text9a911436b410da5067d845ad6082b688dc7519f2525c073d0ab0c9ec59fdacd6
Markdownab32e168010d6afe1444c2c36a9dec01a408a4a12f84804cc117d6e32e7d6b7a
PDF
Publication page1663b41bfb6352ddb3608704fd5641ad06b1e0f87ca6c10bf2161b7592a33fc5
Manifestf5ff8d8c01cea89682010029f3faadfd9da6f77b0b8b5443994063fcef239640

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
Signatured3VXiJwQiXFzPkT7hJ10bbSf9JfeW3QsUSqHDOhAJTMOGaQYpZS41mmfAAv88tYw7vg8+F9HY+bjHF5qxaddAQ==
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

2026-09-17T12:09:04.260706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013933
observed 1663b41bfb6352ddb3608704fd5641ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:04.239546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013933/manifest.json
observed f5ff8d8c01cea89682010029f3faadfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:04.221326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013933/publication.md
observed ab32e168010d6afe1444c2c36a9dec01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:04.202548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013933/publication.txt
observed 9a911436b410da5067d845ad6082b688...
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.