OpenTechnical

OT-2026-000103225

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, pulsed blow-off after 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-2026-000103225) never changes.

Identity and time

Publication numberOT-2026-000103225 · never reused
Internal UUID01a0aea4-be3f-769d-af44-fc9df5455b8c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103225
StatusPUBLIC

Content hashes

Canonical textbc6074ba0e18ebd39b45634689b88578c39268965784e04736c6b06b3d16d744
Markdownd78419c1a9e6000f89870d586588f80e48fb0ca2e558381d75b1b7f49bf238bd
PDF
Publication pagee9d1f182dfdb8a64b495bdae2320d2fe050179253b73ea4ce83795a56dd639de
Manifestc45160897dbe7f8c0708cca0abb580e8e0ad7f81ca462bfb269b561028d232a4

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
SignaturerJL5rOKudBfRnQaBi2oD1ZjwhggFTHjNUk8NO16MQ7dK1mZhaEazt2SIzRTK/MTupp3CHPOAzo2NbgQ3IXuFCA==
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

2026-09-17T09:23:27.403905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103225
observed e9d1f182dfdb8a64b495bdae2320d2fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:27.387423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103225/manifest.json
observed c45160897dbe7f8c0708cca0abb580e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:27.370380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103225/publication.md
observed d78419c1a9e6000f89870d586588f80e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:27.348782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103225/publication.txt
observed bc6074ba0e18ebd39b45634689b88578...
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.