OT-2026-000004746
Publication integrity record
Vacuum cup gripper, four zone face, ejector fed, pressure verified at each zone, polyurethane cups
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-2026-000004746) never changes.
Identity and time
| Publication number | OT-2026-000004746 · never reused |
|---|---|
| Internal UUID | 01a0a921-ff83-7971-8150-09203b7e829e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:32:52.742952Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004746 |
| Status | PUBLIC |
Content hashes
| Canonical text | 723bbe6ebca6b4e8a3fd45c80faccdbdd0f69a6dcec4f4aefd9ab5b02e0e62b3 |
|---|---|
| Markdown | 97ec74e412e4878edd32ce1180fccc688ac53729252a6dc605722f96dace0585 |
| Publication page | f26f76e8fd686168c3ebd86afe64518c5448de9539761ea8edb8f3e2dda8092c |
| Manifest | 0bc9caa910ae28c7b9490e198db0db6ee31bf540b2ac3d893171cc84f0814e79 |
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 | 3p7RVE2/i250pYJVsfyZi25EuRjNtIidVyKQZmdl0/UMFCGbySP7Xji1LqJkf/I7ODwJBedb/VFMVDyhgurlDQ== |
| 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
| 2026-09-16T07:40:23.417043Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004746observed f26f76e8fd686168c3ebd86afe64518c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:23.405316Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004746/manifest.jsonobserved 0bc9caa910ae28c7b9490e198db0db6e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:23.392911Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004746/publication.mdobserved 97ec74e412e4878edd32ce1180fccc68...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:23.380100Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004746/publication.txtobserved 723bbe6ebca6b4e8a3fd45c80faccdbd...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. |
|---|