OpenTechnical

OT-2026-000047298

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000047298) never changes.

Identity and time

Publication numberOT-2026-000047298 · never reused
Internal UUID01a0ae7f-3e56-7e10-b199-32779ac2b89b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047298
StatusPUBLIC

Content hashes

Canonical text4c0acbb842e30c7fb6e8c44f0f97ac8eaf44a39ca89720650e7641aba186e240
Markdown5952532c4b8c12be0b0f3501598a28d7c5a0677ad9aa198d213e53e487e87657
PDF
Publication page9bf94d590821f8e2a528fbcc0160ef2f30a9ac7f89653a464764c4ac9f2736cd
Manifest34dd659611c68c2e83522b25fd4c1d39f5a96cd1d99d93468703799d5efa7dc0

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
SignatureEFxEwyQZcvjuEcNzZ28xu6v5XDgY5JnGF8HD4Sy3hYBngjYsesBieJusF6RiSTmY+zzpziVWQX8C4qhc9PuACw==
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

2026-09-17T11:06:16.517041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047298
observed 9bf94d590821f8e2a528fbcc0160ef2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:16.498434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047298/manifest.json
observed 34dd659611c68c2e83522b25fd4c1d39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:16.479298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047298/publication.md
observed 5952532c4b8c12be0b0f3501598a28d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:16.461094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047298/publication.txt
observed 4c0acbb842e30c7fb6e8c44f0f97ac8e...
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.