OT-2026-000028712
Publication integrity record
Two bellows cup vacuum gripper, two 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-2026-000028712) never changes.
Identity and time
| Publication number | OT-2026-000028712 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2fa-788a-b16d-e02db5fb31a3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028712 |
| Status | PUBLIC |
Content hashes
| Canonical text | fa7864bda986ed5c4be1ba8f90b84fd2377fd84984c951c70389bbd41151ff41 |
|---|---|
| Markdown | 34cc3aa8125221624852c3ecef87c707820acf7994ca2f68c0e676c5284f0cbc |
| Publication page | c00ff026454a3690d05459078e0494e3de3a53f7c2ef7588952a5f0f17e7ef5a |
| Manifest | 3dddd47d94119838c90695053e8fce5c686fba9adb14ddd693b9f1c4c29fd5a4 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | XZaauh+hPH3jQFdG58E3J4tsPloEGQC04boCZnoB1MvHMioK692tCnW0n0UHlZRdWAaFTqHv+PKVuK6ufAZiBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:41:42.990434Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028712observed c00ff026454a3690d05459078e0494e3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:42.970803Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028712/manifest.jsonobserved 3dddd47d94119838c90695053e8fce5c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:42.949219Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028712/publication.mdobserved 34cc3aa8125221624852c3ecef87c707...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:42.927353Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028712/publication.txtobserved fa7864bda986ed5c4be1ba8f90b84fd2...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 archive | Pending 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 package | Pending Custody packages are produced weekly. |
|---|