OpenTechnical

OT-2026-000067229

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000067229) never changes.

Identity and time

Publication numberOT-2026-000067229 · never reused
Internal UUID01a0ae8f-6bd5-740d-a74e-481106e6850e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067229
StatusPUBLIC

Content hashes

Canonical textbe9ac02b63cd83543090819bf8a3326be89a2c4cb383fee6901def45a2d3b32c
Markdown5f383f93c5ccf822b74c2aee824866916c13a98a5609d0765e28435c9de6005e
PDF
Publication page68b7c6637aa5742231ebef4143f33e48bce01b67849fdf91874c111e3a64a388
Manifest031a23c08b312a7551878c18811c2c3a33e15783aa3488387064ed251caac394

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
SignatureNzVPD0WJvy4t5TRhLe/rv3WK2Bv5AZBb4jwuSNuM3HCA0z/1ec8HRe53LRsxLBaO78e0h5M0DyNPp7CO3t1eCw==
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

2026-09-17T10:30:53.896687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067229
observed 68b7c6637aa5742231ebef4143f33e48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:53.878829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067229/manifest.json
observed 031a23c08b312a7551878c18811c2c3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:53.859650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067229/publication.md
observed 5f383f93c5ccf822b74c2aee82486691...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:53.841558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067229/publication.txt
observed be9ac02b63cd83543090819bf8a3326b...
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.