OpenTechnical

OT-2026-000035812

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off before 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-2026-000035812) never changes.

Identity and time

Publication numberOT-2026-000035812 · never reused
Internal UUID01a0ae76-b4c9-7513-9c3d-01a42f6aaa6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035812
StatusPUBLIC

Content hashes

Canonical textab1591f98451026bf5d46ab455407d24ff1369e09ba84f2918de2c688f631014
Markdownb1a290f216d4a9906b31c3bb3bc450d9af572fb8d75217a4ea93e68953035143
PDF
Publication page50a3ce8fdafe16a2aae66b30daf724e69611db7da44bef7f94af782a5c4b4f4b
Manifestb46e346afaf3d48489be39752d01a4003c86849bc5566cefd04413ee1b60eef5

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
SignaturekiQILwGeiIt+1hca8oQhF7oh0o1lhyjgCm5HB/pOd4Jji9BBvxFoFUsGzuyMSKZmTSwPUx2IePut1vZg6R5wDA==
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

2026-09-17T11:27:31.530949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035812
observed 50a3ce8fdafe16a2aae66b30daf724e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:31.511079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035812/manifest.json
observed b46e346afaf3d48489be39752d01a400...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:31.492814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035812/publication.md
observed b1a290f216d4a9906b31c3bb3bc450d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:31.476728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035812/publication.txt
observed ab1591f98451026bf5d46ab455407d24...
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.