OT-2026-000020451
Publication integrity record
Two cup vacuum gripper, two zone face, per zone isolation, single stage ejector, 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-2026-000020451) never changes.
Identity and time
| Publication number | OT-2026-000020451 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437b-72f3-bf64-7edfb87f2a70 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020451 |
| Status | PUBLIC |
Content hashes
| Canonical text | 486fc2dbdcaba37dc15cc3edd5cffe3afba3061d7200eee60e16833ca4036494 |
|---|---|
| Markdown | 2436952fbbcac409f52cc6196907cbca27afaf22a4973940e67404dfeca2b627 |
| Publication page | d95a93929f33d37f967027682b31defa8f900a48af6c7a1564bfb2424f98fda8 |
| Manifest | 87cfc41ba61534fa2080944cc56b74d608182ec8f97192fc1ef314701e95c680 |
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 | mxwuOZBpZ0spBGGMjuZQ1W42cN6E5qkw7Qiq2X7hgv4eGWtQjvMmdXE7Dr6w9nPQP+kpqbmbV8n1sNgFfei3Dw== |
| 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
| 2026-09-17T12:00:22.610219Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020451observed d95a93929f33d37f967027682b31defa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:22.588092Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020451/manifest.jsonobserved 87cfc41ba61534fa2080944cc56b74d6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:22.571415Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020451/publication.mdobserved 2436952fbbcac409f52cc6196907cbca...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:22.551150Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020451/publication.txtobserved 486fc2dbdcaba37dc15cc3edd5cffe3a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:26.431248Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020451observed d95a93929f33d37f967027682b31defa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:26.413623Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020451/manifest.jsonobserved 87cfc41ba61534fa2080944cc56b74d6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:26.395361Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020451/publication.mdobserved 2436952fbbcac409f52cc6196907cbca...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:26.375498Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020451/publication.txtobserved 486fc2dbdcaba37dc15cc3edd5cffe3a...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. |
|---|