OpenTechnical

OT-2026-000101487

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, sustained blow-off before 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-2026-000101487) never changes.

Identity and time

Publication numberOT-2026-000101487 · never reused
Internal UUID01a0aea4-0e14-7d2c-8f2e-00d403c690cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101487
StatusPUBLIC

Content hashes

Canonical textb47046f8fcdc4b5644976a7c8c39c2b24e6a26f40f90ab8d8971c9f08ffb4365
Markdownafbff5ad7b18349ad867cde5436cde40f57a7eb2ad2d956e73391618750ecd45
PDF
Publication pageb6ca39f5c87b34faf761783fb9e4c5fc544ea2cc8aa92320a103a915901fb776
Manifest44fb981268da807b41b3225b018055e95423dfac1fb1ab4eb30ec0f0f86ba6c9

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
Signaturexz90eeTSm26Lv3Q9IRe3GEv43DFRmWyR5hdN+AFmkQSGvXbJS3ceI9gGxxQoizA+s+XZtUcw4UngpL4rE4sSAg==
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

2026-09-17T09:26:04.558841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101487
observed b6ca39f5c87b34faf761783fb9e4c5fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:04.540172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101487/manifest.json
observed 44fb981268da807b41b3225b018055e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:04.520962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101487/publication.md
observed afbff5ad7b18349ad867cde5436cde40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:04.502214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101487/publication.txt
observed b47046f8fcdc4b5644976a7c8c39c2b2...
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.