OpenTechnical

OT-2026-000030998

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000030998) never changes.

Identity and time

Publication numberOT-2026-000030998 · never reused
Internal UUID01a0ae74-3fb7-74cb-ae05-d27b3a27ce5f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030998
StatusPUBLIC

Content hashes

Canonical text3d3741346f8756c6a1152b4143a82a5d325c26736a89f9990bc290a8fd40f10b
Markdown5c9f61585ca91bf511453956e2d50a2155ccd00340acd5ad96a87d8b2312d703
PDF
Publication page6fd8b72e53622fed281329d70cc9750920a8e8fbe633d93d651348787b145753
Manifestff80335dd99257e886bc1864d8ddcb490268bd1174674df75601ae3e73c9339a

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
SignatureIKgWjw8EYHbyUHXPGW4VT+P/0Let8q+CI2tj1V215Sl9flcgNOzE+OYU/V40f9fTSF1oi5dO/bCe4vQ1H00KBg==
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

2026-09-17T11:40:05.144298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030998
observed 6fd8b72e53622fed281329d70cc97509...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:05.125467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030998/manifest.json
observed ff80335dd99257e886bc1864d8ddcb49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:05.105958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030998/publication.md
observed 5c9f61585ca91bf511453956e2d50a21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:05.085997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030998/publication.txt
observed 3d3741346f8756c6a1152b4143a82a5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:34.315139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030998
observed 6fd8b72e53622fed281329d70cc97509...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:34.298018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030998/manifest.json
observed ff80335dd99257e886bc1864d8ddcb49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:34.280297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030998/publication.md
observed 5c9f61585ca91bf511453956e2d50a21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:34.261276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030998/publication.txt
observed 3d3741346f8756c6a1152b4143a82a5d...
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.