OpenTechnical

OT-2026-000007675

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off before 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-2026-000007675) never changes.

Identity and time

Publication numberOT-2026-000007675 · never reused
Internal UUID01a0ae62-76bd-7054-b982-4ecc6c07a800 · 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-2026-000007675
StatusPUBLIC

Content hashes

Canonical text94c9f22361e7b1fde1aab68ab11a6defaaa58fd5b95c870d250f3f70642351d7
Markdown6e784b6c4dd76b47d8b60feb76f9e795f2ae6f4cac9c062ff3ae2968cc532402
PDF
Publication paged62ad21bc9bf0d395e6e1b94a5fd16bda50af3d34eb5ed56269d21a7528806c1
Manifest6e43f20b0d2643771421ff9f408cb6ef682ded6eaf68d24d5e76e231368f56d1

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
SignaturePw75AftK2XagZQL94sWJufv3JPuLv7cvaig17KoaOoZ4APhqN467GdOGWV2IDEV2e97buHmfRIZOyWK1j3Q1Dg==
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

2026-09-17T08:10:18.044836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007675
observed d62ad21bc9bf0d395e6e1b94a5fd16bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:18.029167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007675/manifest.json
observed 6e43f20b0d2643771421ff9f408cb6ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:18.012794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007675/publication.md
observed 6e784b6c4dd76b47d8b60feb76f9e795...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:17.995540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007675/publication.txt
observed 94c9f22361e7b1fde1aab68ab11a6def...
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.