OpenTechnical

OT-2026-000005657

Publication integrity record

Bellows cup vacuum gripper, four outlet manifold, two stage ejector, pressure verified, plastic cups

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-2026-000005657) never changes.

Identity and time

Publication numberOT-2026-000005657 · never reused
Internal UUID01a0a940-73f0-7394-9a90-868d9cb168dc · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:06:08.627592Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005657
StatusPUBLIC

Content hashes

Canonical text59b1e147221cf4e9af41e5b727a35836a5f221a2ad30871c8fed382d9f49b3b9
Markdown6eb75a79782a70956623a515461696ffbfed9f7f8b4b3f16597474b81c77f2c1
PDF
Publication pagea409030b439b0ae61a83f05ace2d91e4e185beb73e73c3a138d176be35ca4df5
Manifest9276fa18832da27d559fcd6079763031b744f6cddf4249675b106614bd38d7e4

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
SignaturevvKsGsXiEsHq0rlwehLg61+dUCLbcs41OI60THGmEH+qcNqUC/5Hzts4LNDEkW7ucKXk2+YU+03JIy1lkaF3Bw==
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

2026-09-16T08:10:15.427172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005657
observed a409030b439b0ae61a83f05ace2d91e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:15.412422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005657/manifest.json
observed 9276fa18832da27d559fcd6079763031...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:15.397345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005657/publication.md
observed 6eb75a79782a70956623a515461696ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:15.382103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005657/publication.txt
observed 59b1e147221cf4e9af41e5b727a35836...
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.