OT-2026-000012461
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, three 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-2026-000012461) never changes.
Identity and time
| Publication number | OT-2026-000012461 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-39f7-7abd-9516-c6c58d10caf9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:08.998406Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000012461 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4e116f8c0d33250e1cb5a76e3952f75ab19c170e1cdc734f5279030c1998526f |
|---|---|
| Markdown | bac14a81205ce25af3488b920a92b091ac7a3d94afe045acdcb2e6c2cc9d1106 |
| Publication page | 51d617b086f47683749875824b2a89451da205eaf4227d478a816ad50f6bdfa4 |
| Manifest | e4e062df5680436c6637cde0010b6e2da6cd0f9996573292c4de134403d55c94 |
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 | lYG7NQKvXwALmy+phxs8AHrlqaeKN1+90bRuKObInKjGlbcVIroIcK2f1JmSNridN/+nQ4SEa7gM2OST+9ELAQ== |
| 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
| 2026-10-29T16:41:32.132878Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012461observed 51d617b086f47683749875824b2a8945...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-29T16:41:32.082678Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012461/manifest.jsonobserved e4e062df5680436c6637cde0010b6e2d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T16:41:31.980913Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012461/publication.mdobserved bac14a81205ce25af3488b920a92b091...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T16:41:31.921889Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012461/publication.txtobserved 4e116f8c0d33250e1cb5a76e3952f75a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T00:42:04.424917Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012461observed 51d617b086f47683749875824b2a8945...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T00:42:04.316737Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012461/manifest.jsonobserved e4e062df5680436c6637cde0010b6e2d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T00:42:04.211416Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012461/publication.mdobserved bac14a81205ce25af3488b920a92b091...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T00:42:04.106574Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012461/publication.txtobserved 4e116f8c0d33250e1cb5a76e3952f75a...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 |
|---|