OpenTechnical

OT-2026-000093595

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, supply line 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-2026-000093595) never changes.

Identity and time

Publication numberOT-2026-000093595 · never reused
Internal UUID01a0ae9e-508b-7f53-bdac-14d0ee14fd3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:46.038602Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093595
StatusPUBLIC

Content hashes

Canonical textde67fff13784f484fa75b3955e12b8c6261109a1934d200e9dfe257cd46e100e
Markdownd0e68162ecdd1b9ef0c1423b5b078421c6f05e7e4c1ec21e1b76535f5dfb11a5
PDF
Publication page0542b1021e591994c3896e106045316f6a0cd03a4e8448425fa5d3042fbe1131
Manifestd5855c4b0d8c0d101f2e828c29e484408b0a0f8041f37f474753d0fbbd228de5

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
SignaturemYGKzhHmdD5dSkzNfn9B6pq+ebvsazq3yD1vohqdF25gxhNUpMCNdoYu1ZO1fk22Ztx+foLRIJr8dODko51DAg==
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

2026-09-17T09:39:38.084282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093595
observed 0542b1021e591994c3896e106045316f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:38.066633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093595/manifest.json
observed d5855c4b0d8c0d101f2e828c29e48440...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:38.049531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093595/publication.md
observed d0e68162ecdd1b9ef0c1423b5b078421...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:38.032541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093595/publication.txt
observed de67fff13784f484fa75b3955e12b8c6...
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.