OpenTechnical

OT-2026-000070854

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, vented 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-2026-000070854) never changes.

Identity and time

Publication numberOT-2026-000070854 · never reused
Internal UUID01a0ae91-8c2d-7889-8450-1abf50aa8fdf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070854
StatusPUBLIC

Content hashes

Canonical textecb963cce47abeaf5da0bb63bf830854585dc946f511a38ddc00b7f146715d0d
Markdownbfb0403c65595f60c0d94ff8e95d7e8833a47876ed57c754f42a13df12d9d477
PDF
Publication page9f39556501236a7aa66c31d34381f309ca13fe4b26f1762a146728e841f1759a
Manifest0e9c991f115b08afe172185bf5c6f4598f1aef57697421f86b63c62b91d89bd9

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
Signaturek5vB+Zq7znV1OlFn0Wdkl40b4ZsCfgthZBpXM+c6nYzW0WUrjOJARfgRyE8pKUMDdH7o9SpbytzZrjCFnOPzAQ==
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

2026-09-17T10:25:40.405033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070854
observed 9f39556501236a7aa66c31d34381f309...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:40.388566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070854/manifest.json
observed 0e9c991f115b08afe172185bf5c6f459...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:40.371409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070854/publication.md
observed bfb0403c65595f60c0d94ff8e95d7e88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:40.353515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070854/publication.txt
observed ecb963cce47abeaf5da0bb63bf830854...
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.