OpenTechnical

OT-2026-000078633

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000078633) never changes.

Identity and time

Publication numberOT-2026-000078633 · never reused
Internal UUID01a0ae95-7c2a-736e-9908-d657468d1b58 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078633
StatusPUBLIC

Content hashes

Canonical text9045f9d4fec3f20295ad95b6105ec06a8a30149f530123b54d055df0c8b598a8
Markdown6c0ff06069610e841253352d6435c84c190e5415139834432cea6c8077ebadc0
PDF
Publication page8fe257f48cd3e4687a7432701da86d0e067aee824436323c00fe7268cf05f40f
Manifest84ef89860e8bafa8b8e55193611891549d1860f22e61975ac174b2edcb3f3728

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
SignatureHyUsqbJwt9Dd11mnIz/1KFDxk5Pi+NaOH92D1VuDv09qohCEuQPPj+3Z+XuGCoOU2t7VKeiZ8kXPPsxb+lv+Dg==
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

2026-09-17T10:06:40.367099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078633
observed 8fe257f48cd3e4687a7432701da86d0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:40.348611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078633/manifest.json
observed 84ef89860e8bafa8b8e5519361189154...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:40.329634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078633/publication.md
observed 6c0ff06069610e841253352d6435c84c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:40.308713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078633/publication.txt
observed 9045f9d4fec3f20295ad95b6105ec06a...
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.