OpenTechnical

OT-2026-000061645

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000061645) never changes.

Identity and time

Publication numberOT-2026-000061645 · never reused
Internal UUID01a0ae8b-7b45-7cb8-951a-51c522dd56d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061645
StatusPUBLIC

Content hashes

Canonical text8facdc4df7e8a93704d9d5595a6b132ecdbad24fd35d0e08a53723fb9a1fd473
Markdown54b51bdaabf0e093b50520bd346269b614bef496e2dc4ca1e0baee4f01976b51
PDF
Publication page709827761bdec5836c7839d906f45731e402d137c35648771ab8165662431962
Manifestb2f84c5a303dcfd2bb584ef0b3a35a28b613144e4febb1a861b5cda41f11f1a4

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
SignaturekhwA7bjz2IAJ/VbUkWLg7OJBFKsCpVWfk/DMfDXMJE6nms6Y4XsEB+1JNv7SSsLxOyQF671qtX+sEhBd30x5Aw==
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...

Independent retrieval

2026-09-17T10:41:35.257815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061645
observed 709827761bdec5836c7839d906f45731...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:35.236471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061645/manifest.json
observed b2f84c5a303dcfd2bb584ef0b3a35a28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:35.216170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061645/publication.md
observed 54b51bdaabf0e093b50520bd346269b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:35.196702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061645/publication.txt
observed 8facdc4df7e8a93704d9d5595a6b132e...
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.