OT-2026-000029968
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump 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-2026-000029968) never changes.
Identity and time
| Publication number | OT-2026-000029968 · never reused |
|---|---|
| Internal UUID | 01a0ae73-ac48-7f4a-870e-aa886f335e52 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:11.501096Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029968 |
| Status | PUBLIC |
Content hashes
| Canonical text | 783f7cd8a33c153c20ed8f103a5da54655275cb83efcbb4abceed015f7968f75 |
|---|---|
| Markdown | 64bf38c242e6c3d76a8e74c55eb41d678534047391c9e73ac9e90b88779fe7c8 |
| Publication page | 102fd33095d46b379a45fbcc4f3f9faac17db6049afc566d8aa548e43a6e9b83 |
| Manifest | b43e297597ae829f8ba44e40645843e8232c38624a41d78f4dc41c05211f85c5 |
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 | uRqcj70OqPQ8tRAPBuoWycjtGPs2duURffq7zQSvabiePN2LL3qrvH+7zjAZiFBN/kTvM+RV8KdyBVEtl4jPBA== |
| 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
| 2026-11-03T04:41:52.324645Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029968observed 102fd33095d46b379a45fbcc4f3f9faa...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-03T04:41:52.268091Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029968/manifest.jsonobserved b43e297597ae829f8ba44e40645843e8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T04:41:52.206907Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029968/publication.mdobserved 64bf38c242e6c3d76a8e74c55eb41d67...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T04:41:52.136453Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029968/publication.txtobserved 783f7cd8a33c153c20ed8f103a5da546...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:41.209366Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029968observed 102fd33095d46b379a45fbcc4f3f9faa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:41.190118Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029968/manifest.jsonobserved b43e297597ae829f8ba44e40645843e8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:41.173541Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029968/publication.mdobserved 64bf38c242e6c3d76a8e74c55eb41d67...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:41.157157Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029968/publication.txtobserved 783f7cd8a33c153c20ed8f103a5da546...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
| 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 |
|---|