OpenTechnical

OT-2026-000091089

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two 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-2026-000091089) never changes.

Identity and time

Publication numberOT-2026-000091089 · never reused
Internal UUID01a0ae9c-c012-7646-9c06-63b5273d3674 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091089
StatusPUBLIC

Content hashes

Canonical text01064beca598371753ec930997466940d80f79f03567050c1af06a388c2e3ce5
Markdownc5542ba8c3bb0a5d9208f5403cd8f36868159fb90b8df374b4bd1959a91d7af0
PDF
Publication page0c6561c9e79148ab3653f43e4a76a0f2880c431f6d52a15edfe3327cbe201bf7
Manifest4e0c3f4dc042c3abe77a7dee90c40b283763e7df7d877542e5c541ae62116b19

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
SignaturebIUxGl0FHtlP2f7YD6YrLJwA2q0XnoFlMU2FOgMsUIIgRFyjqVnQBP9Uh0PLoagcly5JU+gqlgr3fDWsB9e/AQ==
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

2026-09-17T09:44:20.192650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091089
observed 0c6561c9e79148ab3653f43e4a76a0f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:20.176227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091089/manifest.json
observed 4e0c3f4dc042c3abe77a7dee90c40b28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:20.160034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091089/publication.md
observed c5542ba8c3bb0a5d9208f5403cd8f368...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:20.143129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091089/publication.txt
observed 01064beca598371753ec930997466940...
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.