OpenTechnical

OT-2026-000005565

Publication integrity record

Bellows cup vacuum gripper, three zone face, plant vacuum fed, contact triggered on the face

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-2026-000005565) never changes.

Identity and time

Publication numberOT-2026-000005565 · never reused
Internal UUID01a0a93d-5d55-7b29-8c48-fadb25aec9c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:02:46.231593Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005565
StatusPUBLIC

Content hashes

Canonical textbbf465bfe0e6527c5d413235194231174c9ac677b074bc156ebfa395b2c15c6c
Markdownc54d20039221563891ac72976ebac54e7a21c076e9c868d00ab074b7a81e8127
PDF
Publication paged6da0470c41ad668b70d9764c0f848fa9e68bd154ea8573618629d1c9503fce8
Manifestd66e993adda2c5c2a167746a243f820921d8ed0306c389693ea8aaec21ba8fc3

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
Signaturey8J/xDMDdkguNqFDwcMkoTUdUQ/M1SbkvRGM12ZZb3+KYhD03tYExF8gs5mdx30JYfzAkha6wCDftX6YHvfRBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:26.137473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005565
observed d6da0470c41ad668b70d9764c0f848fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:26.123351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005565/manifest.json
observed d66e993adda2c5c2a167746a243f8209...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:26.015799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005565/publication.md
observed c54d20039221563891ac72976ebac54e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:26.001022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005565/publication.txt
observed bbf465bfe0e6527c5d41323519423117...
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.