OpenTechnical

OT-2026-000026455

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, 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-2026-000026455) never changes.

Identity and time

Publication numberOT-2026-000026455 · never reused
Internal UUID01a0ae71-f4a8-7329-88d9-71e8fb2b03e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026455
StatusPUBLIC

Content hashes

Canonical textbbb21412e2fff3ba8f3f6c61d750b2f7b1ce65928eb693225b8842ea422b984e
Markdown42336aed92348965fbad4ebbe858e4e585aadc5731bd85e41a7b7cb9b903a377
PDF
Publication page9e36453902a0e35fe940717ca7624d6546e92cc83e53ef9f3d76f48004056413
Manifest008fee1479ddd1830df41719614f2808608a53d2111352a9743b1b0656d5a069

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
SignaturekVy42PmtEHLle5hqmzV7Bmyu9TPDu75pyq4OFXg1O413J7luk2xnAODwX9tLM9XjNlFE4V4wqEdyhUMeTHJMAw==
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

2026-09-17T11:44:27.402129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026455
observed 9e36453902a0e35fe940717ca7624d65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:27.385534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026455/manifest.json
observed 008fee1479ddd1830df41719614f2808...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:27.370089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026455/publication.md
observed 42336aed92348965fbad4ebbe858e4e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:27.355002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026455/publication.txt
observed bbb21412e2fff3ba8f3f6c61d750b2f7...
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.