OpenTechnical

OT-2026-000044712

Publication integrity record

Single bellows cup vacuum gripper, pump fed, pulsed blow-off after 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-2026-000044712) never changes.

Identity and time

Publication numberOT-2026-000044712 · never reused
Internal UUID01a0ae7c-39da-798e-8aba-9991fbbe562e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044712
StatusPUBLIC

Content hashes

Canonical text6b4465c618f8d935fb0246acc961e42cfe4ae5177f5c83061f2eadc4bad31ef8
Markdowncef7cc997c5a4f9a6e621bb177318da22fde7941070e6163bd0136b427eec973
PDF
Publication paged6034d8cbdef270f51b2da7664dda77b8851d84cb6956a36e3dc6181fbc3e111
Manifest68b5b84072772a1a93cd2a9b4da428f2172feca39ddfac43652776f134eb8ba6

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
SignaturelZb6cqqQeDAWBv3OGga+s9w77DN5kNqSq6MH8AdQ30vhO4eL8JfH/av4Rzo52WHqfJ9txh0Q83E6ztLjwUCnDw==
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

2026-09-17T11:11:58.561253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044712
observed d6034d8cbdef270f51b2da7664dda77b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:58.542606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044712/manifest.json
observed 68b5b84072772a1a93cd2a9b4da428f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:58.524127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044712/publication.md
observed cef7cc997c5a4f9a6e621bb177318da2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:58.504588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044712/publication.txt
observed 6b4465c618f8d935fb0246acc961e42c...
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.