OpenTechnical

OT-2026-000061889

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000061889) never changes.

Identity and time

Publication numberOT-2026-000061889 · never reused
Internal UUID01a0ae8b-b8ad-703d-a40d-8f632162c13f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061889
StatusPUBLIC

Content hashes

Canonical text687bad329ca05add820573f54bd5cce3a60174b35d4f4746ec07ae1c763bba24
Markdownbd947130b5bb58f34d8b91cef3a34859dd8ecdec9417f9280a84002054adcd5a
PDF
Publication page4e2c584184c47a550684db6bf5f71d2f51721a04ab0b473eac5c657ef4986c4a
Manifestcb88fb58fd05f9c69d1d52e2afedb59757cb1427df7467cd0723de6c155d50d9

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
Signaturexxc3Vjyk8KV4Qi59LXq54rqxENWSmeEabDDok1deOcjELubk1hXaON3gLEzOytKfcS1r4ZLdaKjaTe/9SZ2ACg==
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

2026-09-17T10:40:45.492760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061889
observed 4e2c584184c47a550684db6bf5f71d2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:45.474445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061889/manifest.json
observed cb88fb58fd05f9c69d1d52e2afedb597...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:45.454089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061889/publication.md
observed bd947130b5bb58f34d8b91cef3a34859...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:45.435077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061889/publication.txt
observed 687bad329ca05add820573f54bd5cce3...
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.