OpenTechnical

OT-2026-000012328

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump 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-2026-000012328) never changes.

Identity and time

Publication numberOT-2026-000012328 · never reused
Internal UUID01a0ae6d-39f6-7dbc-bab5-6abbffda6a27 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012328
StatusPUBLIC

Content hashes

Canonical text8800f5243a9e3798367e20e6b6ee173fd50196fddee3902f9dd9428e3b86f90b
Markdown78d55c89b644372ef35208b4d2e22d0ac62a4aee9dafe0ccd3d395fb56205f0e
PDF
Publication page68ab09d0c55d3503686ea1c7e001a348c356091b9b5a586b3939c8983478a41a
Manifestca15c06e19792b6e5802bf3712960b2a0766805ffe0f3e494afb07bd7d0103f0

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
SignatureW2BmVuzmJkdxDkaSfdDOYfhKS6KcXgaPfXOWdqk2FGePj1BXIAv9b/J1IgoqWqEMdvbrxab8DnBFyiC7HR76BA==
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

2026-09-17T12:11:16.747180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012328
observed 68ab09d0c55d3503686ea1c7e001a348...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:16.728794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012328/manifest.json
observed ca15c06e19792b6e5802bf3712960b2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:16.711472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012328/publication.md
observed 78d55c89b644372ef35208b4d2e22d0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:16.693405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012328/publication.txt
observed 8800f5243a9e3798367e20e6b6ee173f...
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.