OpenTechnical

OT-2026-000015429

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, pulsed 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-2026-000015429) never changes.

Identity and time

Publication numberOT-2026-000015429 · never reused
Internal UUID01a0ae6d-ef49-7fc2-bc62-35865e71a55b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015429
StatusPUBLIC

Content hashes

Canonical texteb451bba6df326ad7ee767cfdb24cb1c64e94c6a76b7cf3a5ac3c4bd6c5f0496
Markdown65892c1d4e3982738499d243df75fbd872a5e9b0e304feb7feee31b40c06f918
PDF
Publication page60efa41001349bea91082a2d306d35fa808047b0478d2931a1fc15f82f9db44e
Manifest18d17546feac355a11507860b4aee335490abd95d8e05a15d965d4c56924a62f

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
Signatureulr4/8PmBQwkgO09uaE8PmSJ0gES7FKIEr/UV2rbdGGxdvpqDC75+5k6UouKa0woNyW1fE/Zioon/8J7NwYPCA==
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

2026-09-17T12:06:09.967428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015429
observed 60efa41001349bea91082a2d306d35fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:09.946553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015429/manifest.json
observed 18d17546feac355a11507860b4aee335...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:09.925465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015429/publication.md
observed 65892c1d4e3982738499d243df75fbd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:09.891798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015429/publication.txt
observed eb451bba6df326ad7ee767cfdb24cb1c...
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.