OT-2026-000004837
Publication integrity record
Vacuum cup gripper, four outlet manifold, pump fed, pressure verified
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-2026-000004837) never changes.
Identity and time
| Publication number | OT-2026-000004837 · never reused |
|---|---|
| Internal UUID | 01a0a924-e6a8-7b57-86e1-82acf9f255e7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:36:02.987149Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004837 |
| Status | PUBLIC |
Content hashes
| Canonical text | 343835d2d07465a5c257b9c9ae8fc18d51da3d27a34ce5ab0f67d57cf4ca08d8 |
|---|---|
| Markdown | 796a0911dc2d8ad53bb1acccaf5533beec0b1a80350b88dec32d7b48e954a5ae |
| Publication page | 90811288fc7b60d7a6bc443a8e03a0da58cde88428b333be8e13e7ff3a7af954 |
| Manifest | 520d9a985526a25aa10a958f8c148dfbce970b2523dbe17113dd6416f2d79597 |
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 | HsuQPFO2NuMRfiTW+p+wXWOjVLYu04huKZqFCtv9MMlynEu1TQRVv02+ig0UDmOnEnc1wi9jPQ8TGkW7HsTrCg== |
| 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
| 2026-09-16T08:42:39.662374Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004837observed 90811288fc7b60d7a6bc443a8e03a0da...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:42:38.909688Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004837/manifest.jsonobserved 520d9a985526a25aa10a958f8c148dfb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:42:38.406509Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004837/publication.mdobserved 796a0911dc2d8ad53bb1acccaf5533be...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:42:37.903820Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004837/publication.txtobserved 343835d2d07465a5c257b9c9ae8fc18d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:13.683751Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004837observed 90811288fc7b60d7a6bc443a8e03a0da...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:13.672090Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004837/manifest.jsonobserved 520d9a985526a25aa10a958f8c148dfb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:13.657498Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004837/publication.mdobserved 796a0911dc2d8ad53bb1acccaf5533be...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:13.643217Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004837/publication.txtobserved 343835d2d07465a5c257b9c9ae8fc18d...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. |
|---|