OpenTechnical

OT-2026-000102445

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, 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-2026-000102445) never changes.

Identity and time

Publication numberOT-2026-000102445 · never reused
Internal UUID01a0aea4-8589-7563-aaf5-6e0d2911b1f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102445
StatusPUBLIC

Content hashes

Canonical textded4ea4ea0f0680283c2382658908bf2b0bfd30505a54d052fd64a6e5913bd0d
Markdowna8d0c5f8cf8b7368e32afc1504a22f6c7c4195f4568c4dfbc1522eb7fcafbc6e
PDF
Publication pagebbca823720904858193b00dc33d71b9837577596b771f79da076320418770835
Manifest3f88a297f02b09eaa874fd7c71e67add8d64d746edad364491c487251f7f91b7

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
Signatured3r16CpoozsNeUq4HuOYjlOfYkddZ0lQU2N4cpV/4GkRhEmA0wDmBRR9FPCDrinYQ8I7s399jrSIv1QBOpQ3Cw==
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

2026-09-17T09:23:47.601170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102445
observed bbca823720904858193b00dc33d71b98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:47.583469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102445/manifest.json
observed 3f88a297f02b09eaa874fd7c71e67add...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:47.564992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102445/publication.md
observed a8d0c5f8cf8b7368e32afc1504a22f6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:47.546823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102445/publication.txt
observed ded4ea4ea0f0680283c2382658908bf2...
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.