OpenTechnical

OT-2026-000045089

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000045089) never changes.

Identity and time

Publication numberOT-2026-000045089 · never reused
Internal UUID01a0ae7c-f768-7e72-a1ad-079acba4e251 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045089
StatusPUBLIC

Content hashes

Canonical text807eed93cf452916dba58d7a08768b7f254a78e437fb908704792a7422310e29
Markdown8269737695d82ece29f837f79423e8598a529395e21b64eaa7c9c773567cf43e
PDF
Publication pagef9ad0e322f4487d90e5b8143d6e1fb808a8b4a49618cbbc433f892bc76b9585c
Manifest689e9126db71488e4e839e0b0c3f41c250f238f26b0795cfa345700ec51de185

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
SignatureRdDRnvnW3W2FKxBO5/NZaKYYKGOlV9LaWoZVvZM0EKld2qYmRt5Be2+PdTzQuhUP7aPcgYdx3qoL6MZ5TxcEDw==
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

2026-09-17T11:10:07.905838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045089
observed f9ad0e322f4487d90e5b8143d6e1fb80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:07.888534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045089/manifest.json
observed 689e9126db71488e4e839e0b0c3f41c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:07.868807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045089/publication.md
observed 8269737695d82ece29f837f79423e859...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:07.851374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045089/publication.txt
observed 807eed93cf452916dba58d7a08768b7f...
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.