OpenTechnical

OT-2026-000007671

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, supply line 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-2026-000007671) never changes.

Identity and time

Publication numberOT-2026-000007671 · never reused
Internal UUID01a0ae62-76bd-70fe-b796-3ff8c441cf30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:23.688458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007671
StatusPUBLIC

Content hashes

Canonical text62a5086746c8abbacbe90801948b0fae4519fc3f5333b8b55e1a229bc9875ae3
Markdown497fdc42e09269bf45da6c95d8c5291acaf45daa48787c795a8035ee91dc1610
PDF
Publication pagea57286587e8410112e8292455703daac7782e41b415c61717267c91059a557eb
Manifest4cd4ae07cf956205d64dd386ec559a0893a489ef5edb19486b3ae466cd10c4ba

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
Signatureo615ElF8fA1NyUAwNQ2PfTyfx8dAnPdx5Er0wWXpDcesLTQC76rg7FPZBgPckRGXMF0ul1GON66JoI0AhCJAAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:17.758477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007671
observed a57286587e8410112e8292455703daac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:17.741648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007671/manifest.json
observed 4cd4ae07cf956205d64dd386ec559a08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:17.724069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007671/publication.md
observed 497fdc42e09269bf45da6c95d8c5291a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:17.707015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007671/publication.txt
observed 62a5086746c8abbacbe90801948b0fae...
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.