OpenTechnical

OT-2026-000057457

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000057457) never changes.

Identity and time

Publication numberOT-2026-000057457 · never reused
Internal UUID01a0ae87-d5c7-77a3-ad21-ef7b046ea427 · 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-2026-000057457
StatusPUBLIC

Content hashes

Canonical text3066760b9fddd6f0ac8531923a30452aa349b73dcce5f30602b5653b39beac6c
Markdown8ff8fc735009906649565878c46869927d77203328d97aeff494dffc1da51914
PDF
Publication page19dc54abec50865d788bd1197be86dbcb9a3fff6ffd06607d4632f0222ea208f
Manifestee9ab7a4c23ce04aaf409e7ea29c05fe6ef546c4384270a2dc78ab6eab05316a

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
Signature7S4hogP9pHaTiKZ9ujjsWLKMPRNqQnTi/K9htvzbI0D18pGgr7w+yDy8MlxlKVVFYaN2JC/5etkDZYFtxIegAQ==
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

2026-09-17T10:49:45.309758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057457
observed 19dc54abec50865d788bd1197be86dbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:45.291234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057457/manifest.json
observed ee9ab7a4c23ce04aaf409e7ea29c05fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:45.274411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057457/publication.md
observed 8ff8fc735009906649565878c4686992...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:45.256571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057457/publication.txt
observed 3066760b9fddd6f0ac8531923a30452a...
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.