OpenTechnical

OT-2026-000096491

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four 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-2026-000096491) never changes.

Identity and time

Publication numberOT-2026-000096491 · never reused
Internal UUID01a0aea0-a4a9-7bdb-a8c0-caacf5d53de8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:18.648440Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000096491
StatusPUBLIC

Content hashes

Canonical text6032d7df1c43916daae0f4348ac0b08d691c606e9d84a0ca4e07d6ad24c8f3a4
Markdown142d937ae8b9b010fd721a119219197274aa976163e9c31428f32c8f32359c47
PDF
Publication paged04c5b40bdd348fb448d9e70af969133f96ceb7265ca6683c7ccd1bc986a532f
Manifestd01826935cc316b67f9e390b071251c49424aeebc54d68ef4a07f6eb4ca3b2ec

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
Signaturel49K2s+P3EpMOv0Tfs0ngcDsckNRrdlKmBZYJwrTL5WeXpuNJX4rkbe7O9tnqE9gVPa7z3w+WFcROarh1lmODg==
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

2026-09-17T09:33:49.356744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096491
observed d04c5b40bdd348fb448d9e70af969133...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:49.339048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096491/manifest.json
observed d01826935cc316b67f9e390b071251c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:49.320013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096491/publication.md
observed 142d937ae8b9b010fd721a1192191972...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:49.297540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096491/publication.txt
observed 6032d7df1c43916daae0f4348ac0b08d...
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.