OpenTechnical

OT-2026-000085205

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, sustained 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-2026-000085205) never changes.

Identity and time

Publication numberOT-2026-000085205 · never reused
Internal UUID01a0ae99-43ba-70de-bd19-40bcb2e20318 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085205
StatusPUBLIC

Content hashes

Canonical text59b12b5ca8e1f20453eb5dd34f9616caa1c136ebf748531b11acc5326178e4a8
Markdown742a2dd38d65af2b51dd94a8627831e04847c85e372e8b1d6bf2135a9f5caa24
PDF
Publication page0eb75aff3d3d2bf15532e95cf3e75389bbc8007974ce3c1c682b117d695c933f
Manifest93cefbb20634518ff6418965eca029625b1fcc734bbf370a5bf89c96bc79695a

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
SignatureKn/3Y+g8zrW8fDX3ZQ8ScAMXNel5BoiFbsjsrAk7sfjuNRnZxs+saxj/VJlSZlQ1Gzc0nVnsutOHoilcP9T0Aw==
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

2026-09-17T09:55:17.825015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085205
observed 0eb75aff3d3d2bf15532e95cf3e75389...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:17.807628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085205/manifest.json
observed 93cefbb20634518ff6418965eca02962...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:17.789240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085205/publication.md
observed 742a2dd38d65af2b51dd94a8627831e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:17.770986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085205/publication.txt
observed 59b12b5ca8e1f20453eb5dd34f9616ca...
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.