OpenTechnical

OT-2026-000083611

Publication integrity record

Foam pad vacuum gripper, four zone face, plant vacuum fed, sustained blow-off before set-down

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-2026-000083611) never changes.

Identity and time

Publication numberOT-2026-000083611 · never reused
Internal UUID01a0ae98-0415-7ae0-af64-c42e51e00d44 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083611
StatusPUBLIC

Content hashes

Canonical text04c8a8b8543c4a3d9c1977fcd0d3e789d28074070d38dca8e8a2209f442954c3
Markdownb382ac6fe917df2dd691316ffca4125fc13520ed8a42b2f98ee184ebfff67782
PDF
Publication page52b98f7c6eafea0e89009fa934600c86a8c000f26387ab31e23be8046f510f6c
Manifest82b07b417a142a15882e37e079625a23c5b2905cf7a3b64d04c76e9ce875a8f5

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
SignatureyfFe92dqCQLFGl3i5vvpDfq7AwT037csl7MTTMBMhF2JzfCoXPISnTF8DL3VH+7jtKQAnSpZlcCP7bFObUpDCw==
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

2026-09-17T09:57:06.492790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083611
observed 52b98f7c6eafea0e89009fa934600c86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:06.475913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083611/manifest.json
observed 82b07b417a142a15882e37e079625a23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:06.457501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083611/publication.md
observed b382ac6fe917df2dd691316ffca4125f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:06.439688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083611/publication.txt
observed 04c8a8b8543c4a3d9c1977fcd0d3e789...
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.