OpenTechnical

OT-2026-000018843

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, pulsed 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-2026-000018843) never changes.

Identity and time

Publication numberOT-2026-000018843 · never reused
Internal UUID01a0ae6e-d521-75e1-9d1f-a49ecd88923f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018843
StatusPUBLIC

Content hashes

Canonical text8740704d0d8cfd7e2e8f9a94d4aa607e046a1cfe973925ed645cd917ac96ac6f
Markdown571eac17c1e205367e809806c4057edec09a61de667de36ab78aa114ef4a12a0
PDF
Publication pagea85a316c2a0180950748dc88aa0f7bde1cacc603003b47408331ece92a901c5a
Manifest2f778e7afe233eaab73432fd77885a089e7aa053f30aa318a21dffc2da1ad38f

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
SignaturexVtDsGeZPqi5PT1tsGQBh3nLb4tPedeUf5UoAYS9P8+Yz6dGY+Uc3wr97zVtc0Qiazq4eZ1yAKEIHPOGBJ2tAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:59:28.907463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018843
observed a85a316c2a0180950748dc88aa0f7bde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:28.889345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018843/manifest.json
observed 2f778e7afe233eaab73432fd77885a08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:28.870734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018843/publication.md
observed 571eac17c1e205367e809806c4057ede...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:28.851477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018843/publication.txt
observed 8740704d0d8cfd7e2e8f9a94d4aa607e...
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.