OpenTechnical

OT-2026-000103251

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000103251) never changes.

Identity and time

Publication numberOT-2026-000103251 · never reused
Internal UUID01a0aea4-be3f-7a8a-b82f-a677eec94b3d · 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-2026-000103251
StatusPUBLIC

Content hashes

Canonical text27301bf6e8e864d50fd3c240d4d18938593c1d940d1ca29c42fd3da692891fd8
Markdownc176d694e6ce980745d8d33328dcc68edc6aa0fab4b7434a8203d0aabd8251b3
PDF
Publication pagea954d86a2b66ffd47455d76f9bdbb3ceecba3d6a0b4a157685dbe403cd6eb940
Manifesta126fa90013cab9671ed5dcb8b00ed417e50e11fccc09488f9a998f2a81b778d

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
Signature58iZP2XXS/gZLnTAj5UJ0dXVYU7FbCyht14mkIucb+A8wwU+J6pSnM/XT9pN7HoQS1xzYG1k68/2Ds5K+8qgCw==
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

2026-09-17T09:23:29.149561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103251
observed a954d86a2b66ffd47455d76f9bdbb3ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:29.131737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103251/manifest.json
observed a126fa90013cab9671ed5dcb8b00ed41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:29.112942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103251/publication.md
observed c176d694e6ce980745d8d33328dcc68e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:29.093615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103251/publication.txt
observed 27301bf6e8e864d50fd3c240d4d18938...
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.