OT-2026-000005121
Publication integrity record
Vacuum cup gripper, three zone face, pump fed, pressure verified at each zone
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-2026-000005121) never changes.
Identity and time
| Publication number | OT-2026-000005121 · never reused |
|---|---|
| Internal UUID | 01a0a92e-853b-7dcd-bc09-0d70fd3d88d1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:46:33.406639Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005121 |
| Status | PUBLIC |
Content hashes
| Canonical text | 79e3db3573535bdba7c25769404d365bd5e72e4ae4a1903c06fca5446116ebf9 |
|---|---|
| Markdown | 7c5390377fd8f3e2dd11b6f46ab499c1844ccc8f0b8054f74df38259f21554c8 |
| Publication page | 81f0f1b3f8b66af07cf3bf9f9cd273fdcf10b45d6e7c3bf84c8a79638fe9f964 |
| Manifest | f0745d63f26f2cf4ee174042f235ee5a3046f3cb3d01b49a37358f3013476ee0 |
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 | XGqzXL8UMyAb4j4iUZrxc/RbOvbsixVuDhBHszSOqM+Gr+FOtV2rAP1z0eK66n8AOtvBCRbG9ivQ+iZdjQcwDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:50:13.205447Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005121observed 81f0f1b3f8b66af07cf3bf9f9cd273fd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:50:13.189822Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005121/manifest.jsonobserved f0745d63f26f2cf4ee174042f235ee5a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:13.174215Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005121/publication.mdobserved 7c5390377fd8f3e2dd11b6f46ab499c1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:13.161039Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005121/publication.txtobserved 79e3db3573535bdba7c25769404d365b...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. |
|---|