OpenTechnical

OT-2026-000091544

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000091544) never changes.

Identity and time

Publication numberOT-2026-000091544 · never reused
Internal UUID01a0ae9c-f16e-7463-8b1d-8b94c5fe5655 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091544
StatusPUBLIC

Content hashes

Canonical textccf891a3bc37192f1bf7f8a43712a18246449d0589e40c4f1860ef4affc65cc0
Markdown5ce8e80e241b358a4f55944f6b68662baba3383ce0c146a8f51706ea0e96afce
PDF
Publication page2145b7a8f59e57509362c8168273106f30b3bf23c58ab3c15e9c7e603f5480c0
Manifest9658abf99967f5ef975c725d620bd68a397e2219c5fabe7db2afe65e7c7e39bf

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
SignatureS9mZ7K5beIac2WKicLzOYVDWfxY8BYIBWh4frvwBUIp4fpcIBn8aalGebfiLnAWlfX7aiw0NZ/TOigTpbIFADA==
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

2026-09-17T09:43:48.766400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091544
observed 2145b7a8f59e57509362c8168273106f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:48.750217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091544/manifest.json
observed 9658abf99967f5ef975c725d620bd68a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:48.733498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091544/publication.md
observed 5ce8e80e241b358a4f55944f6b68662b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:48.716634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091544/publication.txt
observed ccf891a3bc37192f1bf7f8a43712a182...
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.