OpenTechnical

OT-2026-000019612

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000019612) never changes.

Identity and time

Publication numberOT-2026-000019612 · never reused
Internal UUID01a0ae6f-1fb2-7aa0-9546-aafad0220a80 · 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-2026-000019612
StatusPUBLIC

Content hashes

Canonical textbdf534f75e87278c2089e3a55982d3c526315b8e924d55d518958db11eadc325
Markdown3158cd747eeac43b74300a9792e3f4dbc9136cd87fb2cee9eaeea42854886e01
PDF
Publication page82728b737fe56ea7a97e4a8ee112f23a8b98b714ce07bae7b47c0c47c5e16a3d
Manifest81c562453019584aa5116284a28548941df0267493e8bf16edfd06d9cf3ba057

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
SignatureV2u14UKsxU/W7BpDVocRIAW658E+nO1Q1742UaSrK4FS29bBZFqfcwnDSRmP5cVl6NfD5/snCqFkX22dW8v7AA==
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

2026-09-17T12:00:45.333964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019612
observed 82728b737fe56ea7a97e4a8ee112f23a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:45.317526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019612/manifest.json
observed 81c562453019584aa5116284a2854894...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:45.300463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019612/publication.md
observed 3158cd747eeac43b74300a9792e3f4db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:45.282577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019612/publication.txt
observed bdf534f75e87278c2089e3a55982d3c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:39.668718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019612
observed 82728b737fe56ea7a97e4a8ee112f23a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:39.650625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019612/manifest.json
observed 81c562453019584aa5116284a2854894...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:39.631352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019612/publication.md
observed 3158cd747eeac43b74300a9792e3f4db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:39.609241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019612/publication.txt
observed bdf534f75e87278c2089e3a55982d3c5...
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.