OpenTechnical

OT-2026-000100806

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, pressure sensor per zone, 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-2026-000100806) never changes.

Identity and time

Publication numberOT-2026-000100806 · never reused
Internal UUID01a0aea3-66f5-734d-a3a8-cba9624ca447 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100806
StatusPUBLIC

Content hashes

Canonical textc480c2dd29f0e57947aaf8262eafc126d6919dde41433910787fb64f27de3908
Markdown95fc798fb8d11cb5a592f58337686e99a22b2e5fb83531ad5517529666c66682
PDF
Publication page6e5421df142c8ac623bc8ddc89de7a96fbf054159cb354b0ac3ceaeeae549a0d
Manifest005f24463fce74ee538dedf4cd7de24a190d7d68b32b41b3401ce6d18bb596cc

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
SignatureZ7YDiTYd622aZvFbNP5hOWiRWQUQ12WzgS9sP6czbKqw6ylA1xmio3HgUxVy+OMzp7yJ0frh4p+qJQ8fyWs0CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:43.314234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100806
observed 6e5421df142c8ac623bc8ddc89de7a96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:43.295536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100806/manifest.json
observed 005f24463fce74ee538dedf4cd7de24a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:43.277000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100806/publication.md
observed 95fc798fb8d11cb5a592f58337686e99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:43.257038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100806/publication.txt
observed c480c2dd29f0e57947aaf8262eafc126...
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.