OpenTechnical

OT-2026-000057061

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000057061) never changes.

Identity and time

Publication numberOT-2026-000057061 · never reused
Internal UUID01a0ae87-d5b7-73f1-8b87-a04e13b5536d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057061
StatusPUBLIC

Content hashes

Canonical texte6d1fef9b00e38566e9ec5cfe15b1c29201323039c0a92121cdcb5d5b85bab16
Markdown98e91fdc163c5d017d54b680321e57481969c03ece88e08ef569c79185f82afa
PDF
Publication pagebe6f80984461d367ec295cf91427bb56a814e0731c1ecd2abf06952614cd9e18
Manifest404ed12713843cadda6bf522282cc83a5f2a72aaea83b743cb231c6ba0f92186

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
SignatureN0A4b+VE7woXEPsZs8SLa0m+cArrslpJs96CoSpRkWHZp5Bk6hWZaDBJ5wNlrFfLUVSwMht1EcBk4nzdIMnBBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:48:33.045035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057061
observed be6f80984461d367ec295cf91427bb56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:33.026478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057061/manifest.json
observed 404ed12713843cadda6bf522282cc83a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:33.005349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057061/publication.md
observed 98e91fdc163c5d017d54b680321e5748...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:32.986884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057061/publication.txt
observed e6d1fef9b00e38566e9ec5cfe15b1c29...
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.