OpenTechnical

OT-2026-000045421

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000045421) never changes.

Identity and time

Publication numberOT-2026-000045421 · never reused
Internal UUID01a0ae7c-f76c-7019-a919-cf2031fc1aab · 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-2026-000045421
StatusPUBLIC

Content hashes

Canonical texta5356a59920a176ff44200592cdedc6e9e1bf05903f319e5bbe8e262865a43d9
Markdown20d4b6a3668b810e9e9a21a6b8a0369cf6103839ce63e84ab0d22f1e52311316
PDF
Publication pageca98bf2b62c5a76afb2d2810e94df794e22b772e0747e509a7834ff33d830c00
Manifestd322d2cf9115d25d7cf24d17d9d164ff62c8e4d0c4a5a6a18d988497ed4d89f4

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
SignatureCAjilU0bdcXRDyPp4BcOJ/mJkx5rWo3lU5RT43dYuM6K1cc0tXMkiuhzZguTdicUIJ6gxGqvImOLaI3Xmq7QAQ==
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

2026-09-17T11:10:42.865636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045421
observed ca98bf2b62c5a76afb2d2810e94df794...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:42.847630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045421/manifest.json
observed d322d2cf9115d25d7cf24d17d9d164ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:42.830277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045421/publication.md
observed 20d4b6a3668b810e9e9a21a6b8a0369c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:42.811124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045421/publication.txt
observed a5356a59920a176ff44200592cdedc6e...
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.