OpenTechnical

OT-2026-000062561

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, vented after 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-2026-000062561) never changes.

Identity and time

Publication numberOT-2026-000062561 · never reused
Internal UUID01a0ae8c-0ac1-752a-8608-bd61baadda87 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062561
StatusPUBLIC

Content hashes

Canonical text7272d69c30df25a92bb5a9c448f13257af0e2933c9d6428e7f9d823ae1c87fbc
Markdown2a5647fc4c7d8d574bca0c444dd8040f6cb77f986d94a9fe1a249602cc1551f5
PDF
Publication pagebfe2abedbea2ac61ca2856314d3e0e5c47e76614cd17e69ba87f750783806d29
Manifest6cfdb0387ddf649443d6bfc3d29c61e8698d426cdad7e33354152172aff04e90

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
SignaturewmY6TUp4hXJy1ZxkIZEDxGzqcFSn1JOV9kqFCVl4ibEsRTGNNf5+Locn8Oqb9lLSvYMC4v0qpmfZHe3u55DGAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:40:02.328383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062561
observed bfe2abedbea2ac61ca2856314d3e0e5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:02.308101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062561/manifest.json
observed 6cfdb0387ddf649443d6bfc3d29c61e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:02.284990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062561/publication.md
observed 2a5647fc4c7d8d574bca0c444dd8040f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:02.264725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062561/publication.txt
observed 7272d69c30df25a92bb5a9c448f13257...
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.