OT-2026-000017074
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, 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-2026-000017074) never changes.
Identity and time
| Publication number | OT-2026-000017074 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-591b-7893-8e64-111d2c05a95d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:22.507214Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000017074 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6c96a851da0fc16f802ddf52499a48f79a1e294215fe2be03d0063233e0ae49d |
|---|---|
| Markdown | b4898d370dedacd636280efe37f4554a3fc4b21da0321209ce34849736528aa1 |
| Publication page | e80520e0a3f4e9bc1c4cf82277651b6579025e07a3ed947d61e4d8d11fb838d9 |
| Manifest | facf62e4fcef25165ee507006b6bfe941d06f62629112df0859d0e0509952c89 |
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 | UH65CM4Y3vaganHaw+9Ca3Umqd3LNldJlZYndfmtV3xAXywzmIkwGjpKDN2KdxttjQwB/tvViTq+BTfopC+wBQ== |
| 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
| 2026-10-23T16:42:08.562041Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017074observed e80520e0a3f4e9bc1c4cf82277651b65...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-23T16:42:08.507433Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017074/manifest.jsonobserved facf62e4fcef25165ee507006b6bfe94...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T16:42:08.454831Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017074/publication.mdobserved b4898d370dedacd636280efe37f4554a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T16:42:08.380234Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017074/publication.txtobserved 6c96a851da0fc16f802ddf52499a48f7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T04:41:34.499033Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017074observed e80520e0a3f4e9bc1c4cf82277651b65...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T04:41:34.364264Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017074/manifest.jsonobserved facf62e4fcef25165ee507006b6bfe94...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T04:41:34.250652Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017074/publication.mdobserved b4898d370dedacd636280efe37f4554a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T04:41:34.171485Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017074/publication.txtobserved 6c96a851da0fc16f802ddf52499a48f7...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 |
|---|