OpenTechnical

OT-2026-000040680

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000040680) never changes.

Identity and time

Publication numberOT-2026-000040680 · never reused
Internal UUID01a0ae79-6d0f-7fdd-8d62-f2d5ef4aa04c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040680
StatusPUBLIC

Content hashes

Canonical textc7bcf48683b5b50b8159bb3edccf473e5a4434874584a72f396c2d57f36db9ea
Markdown4a5e2cd94bb6621c6f8b0501391f6f9ff24c6f2d18a27d2469d951d684a2968b
PDF
Publication page2d01d9a5a46391551fb76b80f618063df7c743debc910416595ca75e286afac7
Manifest18ae41c5eb62e0c981ed7b72b8e698f9d2efb6474133a020954c5a17dd668b00

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
SignatureF8WfZY/Ck9sJu2Gnjio2SN+bhAc9KRheXYOc9gJjQnL4nwO3i3mVnI/zL5lLdn3kAC7QGi9lSfl43mCxUL8oBw==
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

2026-09-17T11:17:52.512049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040680
observed 2d01d9a5a46391551fb76b80f618063d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:52.492196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040680/manifest.json
observed 18ae41c5eb62e0c981ed7b72b8e698f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:52.467630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040680/publication.md
observed 4a5e2cd94bb6621c6f8b0501391f6f9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:52.452263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040680/publication.txt
observed c7bcf48683b5b50b8159bb3edccf473e...
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.