OpenTechnical

OT-2026-000103860

Publication integrity record

Foam pad vacuum gripper, three 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-2026-000103860) never changes.

Identity and time

Publication numberOT-2026-000103860 · never reused
Internal UUID01a0aea5-15e6-76a2-9a1e-9b7d1f7f879f · 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-2026-000103860
StatusPUBLIC

Content hashes

Canonical textac3727ab0c3f4d2f8e57ada0a6492492f160a84e31fbb802c56ea34f912bd8ff
Markdown9828917c711a705c546d45f71986a00407b8d8a5067aba28479bdae602f65b7e
PDF
Publication page4a0c88fe6cd7b803f9e8a2d6e83021459558732eb9ea1b1f74fb4e8a9e0cc799
Manifestaef6056941cad410255144fb30afe1b0548151de045e71b434747adefb03278a

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
Signaturec01ezkHmXSpcTODR/Jj4s5MxkK/ep7EURd1HkSyPX4991o2r+qnOw1LM795NruzegT89Zy26GeozCYGWKqmmAA==
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

2026-09-17T09:21:50.468054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103860
observed 4a0c88fe6cd7b803f9e8a2d6e8302145...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:50.449265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103860/manifest.json
observed aef6056941cad410255144fb30afe1b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:50.433221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103860/publication.md
observed 9828917c711a705c546d45f71986a004...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:50.416741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103860/publication.txt
observed ac3727ab0c3f4d2f8e57ada0a6492492...
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.