OpenTechnical

OT-2026-000091933

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000091933) never changes.

Identity and time

Publication numberOT-2026-000091933 · never reused
Internal UUID01a0ae9d-43bb-7f65-b2e8-9b835248cfd5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091933
StatusPUBLIC

Content hashes

Canonical texte5bcd0165e3409bdf394b397c98c8f81b430a76609a6996b1333a9ed6989f3f2
Markdown2c4be1504bfa4cea7672bff8276584a9e9368269310e9f2cd4b20df821c3c7dc
PDF
Publication page5e7e2f4e6f46025a21e52a70c0fa051e3837ab5cfa5293e58828ead4bb71f5d1
Manifest1ff034c5e31bc0f4dc4d833482d29365567fc8827f54e8d4a5c9725eaf7ce735

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
Signature9LrFT5qPc/zgQstDqhfEehzGQ2mRAfvH/Oua9ZzMwurVgRPuE0VqWeHZuYh4dCKKoWBPJ+eqkq9iP8eZt2w3Cg==
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

2026-09-17T09:42:52.687270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091933
observed 5e7e2f4e6f46025a21e52a70c0fa051e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:52.671355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091933/manifest.json
observed 1ff034c5e31bc0f4dc4d833482d29365...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:52.653977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091933/publication.md
observed 2c4be1504bfa4cea7672bff8276584a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:52.635827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091933/publication.txt
observed e5bcd0165e3409bdf394b397c98c8f81...
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.