OpenTechnical

OT-2026-000043342

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, sustained blow-off after 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-2026-000043342) never changes.

Identity and time

Publication numberOT-2026-000043342 · never reused
Internal UUID01a0ae7b-327e-7779-9aa3-fe161fd9ff88 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043342
StatusPUBLIC

Content hashes

Canonical texte29d2de7f37670436456529a2941b52561c38e70486fe0513371cac5c7819d6e
Markdowncd0c1c354138e19e584bf6ab9e43127496971e42948a1e4c0598c0a55748b20f
PDF
Publication pagef93b72117e53785679f08833f6648f572a7820ce88c9530b2d54d045287ae2e1
Manifestc961b63426b258ae547b9fd81966db647a6dcab79d8d3561e9e47c4c63b90f0c

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
SignaturepU98DFcAdNUgRn3pB/jLYWnMiiiCj9yK0vc6MRHMosOimsAro/a2vqMu30mHaxLGk79GBm0oQKT27KW5A/yWCw==
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

2026-09-17T11:13:51.332511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043342
observed f93b72117e53785679f08833f6648f57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:51.313494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043342/manifest.json
observed c961b63426b258ae547b9fd81966db64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:51.293417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043342/publication.md
observed cd0c1c354138e19e584bf6ab9e431274...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:51.272311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043342/publication.txt
observed e29d2de7f37670436456529a2941b525...
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.