OpenTechnical

OT-2026-000080626

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, vented after set-down, on a tool changer

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-2026-000080626) never changes.

Identity and time

Publication numberOT-2026-000080626 · never reused
Internal UUID01a0ae96-7e79-7ba8-a509-8f3dfde4774c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080626
StatusPUBLIC

Content hashes

Canonical text8c7ec63c83bd76d87b40be4a6abc3551d72fb098aa1a1bbd361f54762e705463
Markdown3a47660f1c942ee2c5292b69c17f775e4b3c90fa1817a1bd5960b42aa6c1ca15
PDF
Publication pageafa26a563d88dd19126a13d8f7b99282a8f5f7be35ebfd79539a767195249522
Manifest17340d83a5ccc719079819c234ec1487408c8a84b19d3afa500c03da4bb24aef

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
Signature7zzerU4+H+etRrLcYKDCSVABwNV/WBojQyPS7656gPu4nTyy9ylHhA3/sHkJUPP+fv5fFpWWc6rxylQnHBQYCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:03:16.609776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080626
observed afa26a563d88dd19126a13d8f7b99282...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:16.584090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080626/manifest.json
observed 17340d83a5ccc719079819c234ec1487...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:16.559167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080626/publication.md
observed 3a47660f1c942ee2c5292b69c17f775e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:16.534490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080626/publication.txt
observed 8c7ec63c83bd76d87b40be4a6abc3551...
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.