OpenTechnical

OT-2026-000009470

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, sustained 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-2026-000009470) never changes.

Identity and time

Publication numberOT-2026-000009470 · never reused
Internal UUID01a0ae6b-7562-785b-9025-4f5d2da2298f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009470
StatusPUBLIC

Content hashes

Canonical text7ad7dff1b47a83c3f5067ed366bc88cba94aca9a762cad252cbf1ecb79c8ecd6
Markdown7856ff4b55f7c0b2d1f123bf105b1bf6158d1aaa68c91871b9af3111293d236d
PDF
Publication pageda1d71fdd29699e3baf977c540f847d22115e869bdd390b1b1fd21ec04db5d90
Manifestf3cef7f7985dc380fa2179c057a1eab7c2594bc7444c19e9364cae0a2ce43ea6

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
SignaturecLpuSE8kjINNzcxbbtCL8HAa1vTq2CccRWgVRaBeL7FeSSwCkErgQI9lWiIFPauvBCZGUE8tzszStxS4txc6Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:51.758670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009470
observed da1d71fdd29699e3baf977c540f847d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:51.736602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009470/manifest.json
observed f3cef7f7985dc380fa2179c057a1eab7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:51.715838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009470/publication.md
observed 7856ff4b55f7c0b2d1f123bf105b1bf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:51.696063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009470/publication.txt
observed 7ad7dff1b47a83c3f5067ed366bc88cb...
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.