OpenTechnical

OT-2026-000097500

Publication integrity record

Two bellows cup vacuum gripper, two zone face, 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-2026-000097500) never changes.

Identity and time

Publication numberOT-2026-000097500 · never reused
Internal UUID01a0aea1-55b3-71af-8e8c-6ba87600c2ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097500
StatusPUBLIC

Content hashes

Canonical texta5870b9fd7da54e544608d5d1d18be62d9fb2fee5dc0e222222857012de326ee
Markdownda26f2c30d0209982bc20d0f12fb397f3d12c2ba0240c62611ab9ee82fa52270
PDF
Publication page38ab6b5d3a019d6d51c53dea7d75df52e8dd2a3b1f33697e44ffa08fb56ebd99
Manifest4402d0405d35f9fc96e739a22d2e12bee0d59b314736139b334df80e2a0f754a

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
SignaturevYTpOy1QavnA+tJBwQ0NhPgQ7DQI8lZmAVEBt0OOBKR3t/W9vqjtmhmoLVg7VQL/3ywrSDJNtR0KBVuQ9yoJCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:22.457576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097500
observed 38ab6b5d3a019d6d51c53dea7d75df52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:22.438330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097500/manifest.json
observed 4402d0405d35f9fc96e739a22d2e12be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:22.419309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097500/publication.md
observed da26f2c30d0209982bc20d0f12fb397f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:22.402065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097500/publication.txt
observed a5870b9fd7da54e544608d5d1d18be62...
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.