OpenTechnical

OT-2026-000029560

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000029560) never changes.

Identity and time

Publication numberOT-2026-000029560 · never reused
Internal UUID01a0ae73-5e22-796f-adc2-d59264e94ae5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029560
StatusPUBLIC

Content hashes

Canonical text08df5714a1c23798406c836c49e7fd5896ae745f9e82fa5fc84d699e9b3c98a6
Markdown5d6406ffa0e29f5ed94e275ff904ba9ed2990652f5bd0b809e6f6b8dd4a8ad81
PDF
Publication page632200cb98f796dc31fc08d552b7834c85a7074f7fdf841b67686b8edc248ebb
Manifest3205e5e93100d9140c19ccee831a78d818205ee6f77758ad9d20cbd870cdaeef

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
SignaturehTINuy8RCkS5fZWFAvadmEYi/JPiEwnPgsBQJNouAoir75bba02aTEps+A0j2l/OD4xWoMZ2kMupaLsWTvcGBQ==
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

2026-09-17T11:39:15.198905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029560
observed 632200cb98f796dc31fc08d552b7834c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:15.181100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029560/manifest.json
observed 3205e5e93100d9140c19ccee831a78d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:15.162918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029560/publication.md
observed 5d6406ffa0e29f5ed94e275ff904ba9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:15.140234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029560/publication.txt
observed 08df5714a1c23798406c836c49e7fd58...
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.