OpenTechnical

OT-2026-000038702

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed 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-2026-000038702) never changes.

Identity and time

Publication numberOT-2026-000038702 · never reused
Internal UUID01a0ae78-769e-7179-b43b-68aacd88518c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038702
StatusPUBLIC

Content hashes

Canonical texta96d049870b3994d3525b1a5530b1166f86d298f0f8dff0b82d3a21484f83f4e
Markdownac74a6e7f21bc7d7a3949343891386b66b02dbe3730d16ed9806bf3819009912
PDF
Publication page2c41d074eb085f3a9a5c1c54b1dbff620757e7f7fc6a32b88c7a5abdc9a0d42d
Manifest1658fecc41fb2bcd1a980bd545097064c9bfc5d844b49de977704fef02e586b7

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
SignaturehPRlFpn+hg48laF0Cxp6g3veuU8e2AqUFitbuB8hwxgiJN/+OUB8Cb0X9AQ1wAl1cQ+ulRaDb68iBe2MFm5PAA==
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

2026-09-17T11:21:13.346543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038702
observed 2c41d074eb085f3a9a5c1c54b1dbff62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:13.329294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038702/manifest.json
observed 1658fecc41fb2bcd1a980bd545097064...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:13.311307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038702/publication.md
observed ac74a6e7f21bc7d7a3949343891386b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:13.291697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038702/publication.txt
observed a96d049870b3994d3525b1a5530b1166...
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.