OpenTechnical

OT-2026-000024637

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000024637) never changes.

Identity and time

Publication numberOT-2026-000024637 · never reused
Internal UUID01a0ae71-2725-7d2a-8810-5776b0c1fe67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024637
StatusPUBLIC

Content hashes

Canonical texte1e3e0ba8fee159a56b7f6d8542326619feb67416294e449d05497a625a3c7ae
Markdown6d380074d92f4726a130fd518ae733fc8aa18f8600550466e5cdb87eb704e96b
PDF
Publication paged775f6df1ad4347bfa98fe6383f73a4f5cd8f493b3fc99fc24219c636995b430
Manifestc2a402e177d46b816beac0c3ad6f179f9e22660a7375b6fcd809594e665b7d20

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
SignatureqIZtXWEmY3yM3fdDOJX7b852O+mN40+/4n0NvgBIc0hA8ozKrOQhoCdRBsYC6bZwJTJG0XeKhn1SU7qL/kSMDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:47:49.876770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024637
observed d775f6df1ad4347bfa98fe6383f73a4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:49.859702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024637/manifest.json
observed c2a402e177d46b816beac0c3ad6f179f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:49.837387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024637/publication.md
observed 6d380074d92f4726a130fd518ae733fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:49.819059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024637/publication.txt
observed e1e3e0ba8fee159a56b7f6d854232661...
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.