OpenTechnical

OT-2026-000024653

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-2026-000024653) never changes.

Identity and time

Publication numberOT-2026-000024653 · never reused
Internal UUID01a0ae71-2725-7de9-bbd1-f5e15b2462be · 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-2026-000024653
StatusPUBLIC

Content hashes

Canonical textacd487552f02b1bfb3cf195844f38d38c2e0c9e10bbf66c5213b63ac6fb0db7b
Markdown261d54325bed8a6a2dd72dae1af3ec5bd1e699b5babdd1c0ef54c845bd80f2e4
PDF
Publication paged40dc9e2b3dd6ee9c66c7d8ad214d17ce9b469d9a6c67011b78003623c8008b3
Manifest80c492e27b9aee320fb12f9a04be12e8e5657534a02a54a5723c58452609e113

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
SignatureGn3Snm9utp/jTmJOwjf6MeUx4hzyzAp6zeUwUZpnOiQGfZaKV8Y19ZekP48ugGfnHfYwpyMfhOJ4BGITYurrBg==
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

2026-09-17T11:47:51.258527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024653
observed d40dc9e2b3dd6ee9c66c7d8ad214d17c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:51.239050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024653/manifest.json
observed 80c492e27b9aee320fb12f9a04be12e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:51.215122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024653/publication.md
observed 261d54325bed8a6a2dd72dae1af3ec5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:51.196873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024653/publication.txt
observed acd487552f02b1bfb3cf195844f38d38...
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.