OpenTechnical

OT-2026-000085240

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000085240) never changes.

Identity and time

Publication numberOT-2026-000085240 · never reused
Internal UUID01a0ae99-43bb-759a-8e34-39b8f00392f5 · 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-2026-000085240
StatusPUBLIC

Content hashes

Canonical text33e8755beff842ee5b965bd4908a84d2b45a37bc6bc78b7fd95976f4763e00a2
Markdown8d3e6bdfad8b60cda35ef4c7b6645d44c3e688c1d3366234c27484644b60516f
PDF
Publication page7c5cc6c151c98fc62d7843329021c7479a27b3bb010b94574ee532faa4bcaf78
Manifestc5237bbda30545bd8cc46064c61320b351a702b5577565d3ed90b11cc9e69e49

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
Signatureoag+h3n1FKTjID2TO0g9ACOiGgCwUvukGF+C9KTjoshFdhjQp6Niyb3A8UqvmAQ9NMdBPw349ChrCdz21QazBg==
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

2026-09-17T09:55:20.404732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085240
observed 7c5cc6c151c98fc62d7843329021c747...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:20.387599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085240/manifest.json
observed c5237bbda30545bd8cc46064c61320b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:20.369650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085240/publication.md
observed 8d3e6bdfad8b60cda35ef4c7b6645d44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:20.353539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085240/publication.txt
observed 33e8755beff842ee5b965bd4908a84d2...
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.