OpenTechnical

OT-2026-000056477

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000056477) never changes.

Identity and time

Publication numberOT-2026-000056477 · never reused
Internal UUID01a0ae87-7af4-7625-bafd-4e8dde95b556 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056477
StatusPUBLIC

Content hashes

Canonical textaa91c765497956bd289a8192718032c75054978163ad0f7736d4718490dba358
Markdown3d690fb579b3e89ce098843798909cefd582e8930759da15140072265c827706
PDF
Publication paged7b38fdeb851c89153166fc3e043ec5ba3c616ccf8cea1230eaf626bb82587c7
Manifestc8f8d26d60fb7791dc75d4333a6d438c73be92c9ee6086d9605686fdabf2fe8a

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
Signature9+mmX6w7QVtX6kNKuEPvw5j/0XZTyMntYkkYiibqtBzKLx0UN0tggPtc/BB3kHYXoJVZTFZ/UWOXIqxSSzFGDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:47.097321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056477
observed d7b38fdeb851c89153166fc3e043ec5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:47.078213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056477/manifest.json
observed c8f8d26d60fb7791dc75d4333a6d438c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:47.060556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056477/publication.md
observed 3d690fb579b3e89ce098843798909cef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:47.041937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056477/publication.txt
observed aa91c765497956bd289a8192718032c7...
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.