OpenTechnical

OT-2026-000093904

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000093904) never changes.

Identity and time

Publication numberOT-2026-000093904 · never reused
Internal UUID01a0ae9e-92c8-783b-b723-b97a4a0ce931 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:03.009208Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093904
StatusPUBLIC

Content hashes

Canonical text8d34f648c3d73a8b38192fb17f3e4cedadbddb0ba21470a9704f3695a7d3ebf1
Markdown7c28819f28fcfa85ca6d50f7640effd3e39bd488c2b6abd103dad1c564110bee
PDF
Publication pagecbec1e56795b09891cf5020080132f557ac85b35ddd11ed57046ab6c1a73f982
Manifestdc1475427ae72eaecc6f67de9e3c10be421a10eadaef3f27c73076ec9df6c62b

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
SignaturehnQEFKHYWN0MiFDiz1lEBs3wjq4lvmnCCCqZfJKDNkMZb6jzUxzjQCulbH4tZ3O0AWQlTyuF+xCFfWmZP4anDQ==
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

2026-09-17T09:38:10.327073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093904
observed cbec1e56795b09891cf5020080132f55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:10.306736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093904/manifest.json
observed dc1475427ae72eaecc6f67de9e3c10be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:10.290019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093904/publication.md
observed 7c28819f28fcfa85ca6d50f7640effd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:10.272699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093904/publication.txt
observed 8d34f648c3d73a8b38192fb17f3e4ced...
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.