OpenTechnical

OT-2026-000014785

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off before set-down

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-2026-000014785) never changes.

Identity and time

Publication numberOT-2026-000014785 · never reused
Internal UUID01a0ae6d-d094-75c2-90f8-a87476dd5344 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014785
StatusPUBLIC

Content hashes

Canonical texted320b95a87964c4a06d0b6cf5eef70c2bcbb46dbd57665ddd1919533ce3aa86
Markdownc18f92c1ee00f81de24cd035afc6d8eb2e4ad75687c7862f93c5d95f6485691c
PDF
Publication pagea372b8db295f9287e93663b1907d74dfd27a4bf11f0178892eee9da86fb9a99e
Manifest0fdab4ab5a35caf9c5cd50240309b09570b9704fec59d31d31cacd1d18526720

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
SignaturenJRy9CUzqU8b07bXFSvfgkS63ZGK3tLbv1/ZUQcU8hmbTb35z4jaZAuGNsobPtJEueO1Sunf6KW0ZQtspTYFAw==
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

2026-09-17T12:06:40.620456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014785
observed a372b8db295f9287e93663b1907d74df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:40.603132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014785/manifest.json
observed 0fdab4ab5a35caf9c5cd50240309b095...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:40.584142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014785/publication.md
observed c18f92c1ee00f81de24cd035afc6d8eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:40.564569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014785/publication.txt
observed ed320b95a87964c4a06d0b6cf5eef70c...
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.