OpenTechnical

OT-2026-000062341

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000062341) never changes.

Identity and time

Publication numberOT-2026-000062341 · never reused
Internal UUID01a0ae8c-0abf-7cff-83b5-2848a7edc636 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062341
StatusPUBLIC

Content hashes

Canonical textf92afb6ba19f9e9736ce842143c7cba21255101c3c4479ba963f2941a3960dc5
Markdownd33cd192fa1845fc11ab1bf19e4cbccfb4263400d1f157dc8e9c4af1d8d35a7b
PDF
Publication pagea2e17de5cef2743da6e58c6404afea589cd01e01f1baed9e89a123f2b4cefdb9
Manifestf99ab86c09043c7c8f4e1ade11418b8e17247c1861a7b57d2bdffde1789d30ad

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
SignatureAE7fYl/C7A6215niMRMVXe2SmNorBz/u45rypnns65O579zArQb5rKL4mcsshPB0IWv3VYWM4ZdoBNgfvEXbAg==
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

2026-09-17T10:39:39.124283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062341
observed a2e17de5cef2743da6e58c6404afea58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:39.106486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062341/manifest.json
observed f99ab86c09043c7c8f4e1ade11418b8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:39.089319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062341/publication.md
observed d33cd192fa1845fc11ab1bf19e4cbccf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:39.072565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062341/publication.txt
observed f92afb6ba19f9e9736ce842143c7cba2...
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.