OpenTechnical

OT-2026-000103730

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, 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-2026-000103730) never changes.

Identity and time

Publication numberOT-2026-000103730 · never reused
Internal UUID01a0aea4-e462-700a-ace2-1c27cac7ed23 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103730
StatusPUBLIC

Content hashes

Canonical texta6dfedc8e738a82c5f58ba9ee1e9867ac859cf7f39f60e374968d93bc793df18
Markdown897cbc6e8a01965fac41f390c410f691d1cbfe069b50f94f7015b8db66fa328d
PDF
Publication pageb9422917ff0b301ad0c4f9c3563349e06b99c88badefb4e1b236648e093035ee
Manifestb12bb32d16427ed63f11f2510a72c7ecae0472301a45b89ae899db7c63dd1c20

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
SignatureckwAMWGLMoGRpDxYFfWCJDTbE4g9XG0j2/rKEw5YwdmyrSnJQ9kHWL1kjee/mmOiDi5LORUerfb/I50XJAMzDg==
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

2026-09-17T09:22:32.750535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103730
observed b9422917ff0b301ad0c4f9c3563349e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:32.732652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103730/manifest.json
observed b12bb32d16427ed63f11f2510a72c7ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:32.715159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103730/publication.md
observed 897cbc6e8a01965fac41f390c410f691...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:32.694683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103730/publication.txt
observed a6dfedc8e738a82c5f58ba9ee1e9867a...
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.