OpenTechnical

OT-2026-000040642

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000040642) never changes.

Identity and time

Publication numberOT-2026-000040642 · never reused
Internal UUID01a0ae79-6d0e-76ec-88bc-4b06a1c4f372 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040642
StatusPUBLIC

Content hashes

Canonical text26fa986a712d1134f423e78e28b33ce565af04cd3a13ce78456582efeb2c5922
Markdownff343272f03ca6576755abb39c1ef80e206dcede7c78850fc56465a265053b00
PDF
Publication pagee75752b5707495c8eef6f83eb159aad5de39b25927ae5c09e438a370c09277a3
Manifest6849e37d7e693f32e7db333e7b06eb17730a938662c8956d945bdda81462a992

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
SignatureswNF8d6iB0T2mf9HYD+bixJgw9ubEIupodcQsJs1fCjNyIOGMnO1CY/h+DzM4oDxLAsIXef2F2IK2WrlKLuIDA==
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

2026-09-17T11:17:49.620920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040642
observed e75752b5707495c8eef6f83eb159aad5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:49.602685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040642/manifest.json
observed 6849e37d7e693f32e7db333e7b06eb17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:49.585616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040642/publication.md
observed ff343272f03ca6576755abb39c1ef80e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:49.566684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040642/publication.txt
observed 26fa986a712d1134f423e78e28b33ce5...
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.