OpenTechnical

OT-2026-000025322

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000025322) never changes.

Identity and time

Publication numberOT-2026-000025322 · never reused
Internal UUID01a0ae71-5fa7-71bd-8d6c-804ed618da69 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025322
StatusPUBLIC

Content hashes

Canonical textd1f04c7cc9e7e1fb6150ee8c46e854ddf1180583d9fa0cbeb40a22b50677fc95
Markdown4d3727272393dace314d72765301152bff9542b31c48089f348ce62c5fd5e893
PDF
Publication pageaba7e35887ee66219aa96f5436bc46688328775627063aed156051792086c806
Manifestf771fa0304d732f946f8a27406ad464fab6141874ffdd1e55fddad196e313c61

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
Signature7NodRR0EAeB1x3S7dfY7k/ZZP4JMTdLAyzzhGbwfvRgrFT8SBq8FtSwgopL7S9fDsrle4NQf84ieOeGb7JATAw==
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

2026-09-17T08:41:34.777194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025322
observed aba7e35887ee66219aa96f5436bc4668...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:41:34.290755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025322/manifest.json
observed f771fa0304d732f946f8a27406ad464f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:41:34.036457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025322/publication.md
observed 4d3727272393dace314d72765301152b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:41:33.753798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025322/publication.txt
observed d1f04c7cc9e7e1fb6150ee8c46e854dd...
fetched by grabo-systems from 34.44.131.203, 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.