OpenTechnical

OT-2026-000103958

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pulsed blow-off after 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-2026-000103958) never changes.

Identity and time

Publication numberOT-2026-000103958 · never reused
Internal UUID01a0aea5-15e8-7656-911d-f7f50b0c3272 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103958
StatusPUBLIC

Content hashes

Canonical texta6fe9c01099018033590b8e8a91e9001186237b1bc080c2073a2cf88d8f2bc2a
Markdown540ec99613656e11f5506e84f24fbae4749a55e737f7555dc5a5eb897db6b934
PDF
Publication page5ce23126a1c82b8c3b945990f7aa94bd82fc6cd4353fb5eb5eecb4bdba627d2f
Manifest25d78ed0f65e67f7b29887eaa65d862beb422ad99b464f19475715b030e5c225

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
SignatureKHwJJPm4Tk3JJ43KFxH3ZtQNzDqEQAa8WFgaRhmKiWEE6VXBFnlR/yYL36btW9BrSqVsovXWjCSFYTCtE3n1Bg==
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

2026-09-17T09:21:57.676137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103958
observed 5ce23126a1c82b8c3b945990f7aa94bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:57.660480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103958/manifest.json
observed 25d78ed0f65e67f7b29887eaa65d862b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:57.643569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103958/publication.md
observed 540ec99613656e11f5506e84f24fbae4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:57.626411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103958/publication.txt
observed a6fe9c01099018033590b8e8a91e9001...
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.