OpenTechnical

OT-2026-000087385

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, 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-2026-000087385) never changes.

Identity and time

Publication numberOT-2026-000087385 · never reused
Internal UUID01a0ae9a-cd4f-7e65-8368-31029a1faa82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087385
StatusPUBLIC

Content hashes

Canonical text2a077126a89b25535c3fac80302cff2c2cd987d0d2a2a722077f7f50a16c8e6c
Markdownd363e02762a853d63f78e39ccf25fce4947350c4d5d5357ca7ed7407d5b072fd
PDF
Publication page5d018ed7d4ef3d7a091043599df680a5cbfc9da331c8f3344aa5c56af9fb6393
Manifestad7442e5196d0def7e31b593d72e35d43339f079b25a43704c8a8851ad2f8327

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
SignaturegcEskfVv30c69Gf570JX0jo3+unmLxH2CD+m0Tuii7TNXmX5hODyMdII8vYgsug94DaClnU3s1CxwaMoPFqnBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:50:33.043404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087385
observed 5d018ed7d4ef3d7a091043599df680a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:33.025304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087385/manifest.json
observed ad7442e5196d0def7e31b593d72e35d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:32.987635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087385/publication.md
observed d363e02762a853d63f78e39ccf25fce4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:32.970928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087385/publication.txt
observed 2a077126a89b25535c3fac80302cff2c...
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.