OpenTechnical

OT-2026-000008502

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000008502) never changes.

Identity and time

Publication numberOT-2026-000008502 · never reused
Internal UUID01a0ae6a-e46a-718e-99ab-267c81906fe3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008502
StatusPUBLIC

Content hashes

Canonical text67d1744a83db61a25d3522c3112087e4764dcdf7542fb92c41e095f775294f5d
Markdown3f14c1ba67032f772472a6d2a737966e625d26a77bf6b3eba8ae560c365f627d
PDF
Publication page4669e72d58245cbf1dfd54250852b6f6fa56f11d425a32773410b64896d7f705
Manifest8873de5fe98f64bdcfc1ff0ac115c4e6d202cd4207443e8185ac3fb7a279bf85

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
Signaturez5lZXGKGeSj9Exhd48V5qnqQ9ATn4j549f0Qs9kf5WDts+EXHA6Ze8Y3ZkkVb1WDYRtaWAwViMsHo0rDS9MMAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:24.518307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008502
observed 4669e72d58245cbf1dfd54250852b6f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:24.498300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008502/manifest.json
observed 8873de5fe98f64bdcfc1ff0ac115c4e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:24.479332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008502/publication.md
observed 3f14c1ba67032f772472a6d2a737966e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:24.372005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008502/publication.txt
observed 67d1744a83db61a25d3522c3112087e4...
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.