OT-2026-000050315
Publication integrity record
Foam pad vacuum gripper, two zone face, four outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000050315) never changes.
Identity and time
| Publication number | OT-2026-000050315 · never reused |
|---|---|
| Internal UUID | 01a0ae82-5c47-712b-b89b-a624d39109cd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:36:14.042293Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000050315 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1beb9c21d0a1c4ac5babba759bc5796f12ca47b9b5c915d3c94408c08b33d9a1 |
|---|---|
| Markdown | 716b680d4a48ec964c104fcc8c84f00c8ed7e34d0c386d021f3ca299ad5cb1b3 |
| Publication page | 373c1b15a42719138460f320dadf03bee445fe9f48bcbacf38befa92edc74c33 |
| Manifest | e338b1268db59e4eb3d321a1ff47c6610bcf922470cd3efddb074f75822269c9 |
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 | 4qdz2WeVf/bzOO7R5MobwZCJJuC2wGBFWzy5ecP9PE8x5GeKnkG53g2RbE15OH2yb6JMB8aP+aPFoDfPpgG7BQ== |
| 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
| 2026-09-17T08:41:36.985943Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050315observed 373c1b15a42719138460f320dadf03be...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:41:36.820382Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050315/manifest.jsonobserved e338b1268db59e4eb3d321a1ff47c661...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:41:36.525423Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050315/publication.mdobserved 716b680d4a48ec964c104fcc8c84f00c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:41:36.248845Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050315/publication.txtobserved 1beb9c21d0a1c4ac5babba759bc5796f...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
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