OpenTechnical

OT-2026-000094622

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000094622) never changes.

Identity and time

Publication numberOT-2026-000094622 · never reused
Internal UUID01a0ae9f-2deb-7971-91a5-5a5d99415c52 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000094622
StatusPUBLIC

Content hashes

Canonical text63e130d73a3e25c649a3ea5d55edfdf560818547e248d17b41042d76971ddf00
Markdown2872a49bd26120235d87469f7d88bdd5d7e41de1410330b96ebbfd4335a4267b
PDF
Publication pagee8370a18d9379f5b3b95c0271d3142e8290c677d2f3e96b1aaa4f8785282cd7b
Manifestd8986ec80f85d60b7e73a47ca689178ee20117aff7c7fad440fcbfd2e200ee81

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
Signature5VX7UpHU8xuRDaF7zYPJbsP4y1xm4YjtUtLVTgglFFcPHodsu24Eq+0Jml+VLqgwuhLaFjCvzeLrN9uxAaj4Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:37:03.613331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094622
observed e8370a18d9379f5b3b95c0271d3142e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:03.598758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094622/manifest.json
observed d8986ec80f85d60b7e73a47ca689178e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:03.583964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094622/publication.md
observed 2872a49bd26120235d87469f7d88bdd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:03.568754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094622/publication.txt
observed 63e130d73a3e25c649a3ea5d55edfdf5...
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.