OpenTechnical

OT-2026-000099215

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000099215) never changes.

Identity and time

Publication numberOT-2026-000099215 · never reused
Internal UUID01a0aea2-8288-7f2c-86fc-d12fb2b4b93b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099215
StatusPUBLIC

Content hashes

Canonical text55098c5db0d50ed48de18fe9ab7514353e63be1504e2d82c502eb684c56e4cd5
Markdown57518a9448aca1bc3fbe40aa0d2d1337bfb245da84e0c2cfb8909b16c29a4547
PDF
Publication pageaf819d86dd2104ae38deceb75f837d07a420c728ad8ad057986f59c8004856bd
Manifest56d1246130519ba36d54dbcde2eb24a8d791f27111e5912ac0a01757c876b7f8

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
SignatureHTo1ROLu1/C7LwOYmta7Gfkb4nvaGcmvdktrsw1HrGvsnkMcHP7MZNrTd4DsbcOFYK9uYLys6mqvye1unHbBDA==
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

2026-09-17T09:30:36.746324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099215
observed af819d86dd2104ae38deceb75f837d07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:36.726610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099215/manifest.json
observed 56d1246130519ba36d54dbcde2eb24a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:36.703440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099215/publication.md
observed 57518a9448aca1bc3fbe40aa0d2d1337...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:36.684998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099215/publication.txt
observed 55098c5db0d50ed48de18fe9ab751435...
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.