OpenTechnical

OT-2026-000082013

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, 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-2026-000082013) never changes.

Identity and time

Publication numberOT-2026-000082013 · never reused
Internal UUID01a0ae97-4d92-72cf-989d-43ac9f8522f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082013
StatusPUBLIC

Content hashes

Canonical text4ab6d91a90d116a395d3a9d94550c677928d53f0b906c20022f9e4f25194b57a
Markdowne493ff8b3e44fcd33375d4763bb4890bb2772999b74f4911fa370994a46deeb1
PDF
Publication page23ed8f981526e496afb99434f3e7f34380980f179dccf5f53914a5b90e75f705
Manifestd88bdb3deb81f01aaefd071566a5c77db7988a2f115456541c15099949d11829

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
Signature3g8zzn+CjWi2E+5i/++u8IPILNB6QOQMJoXwbbpoWeqGPdt7RE6SndT7NkzxgjkYuO0lGqH0OTWftR7yieH1DA==
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

2026-09-17T09:58:43.651331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082013
observed 23ed8f981526e496afb99434f3e7f343...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:43.635667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082013/manifest.json
observed d88bdb3deb81f01aaefd071566a5c77d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:43.618603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082013/publication.md
observed e493ff8b3e44fcd33375d4763bb4890b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:43.602550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082013/publication.txt
observed 4ab6d91a90d116a395d3a9d94550c677...
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.