OT-2026-000004971
Publication integrity record
Vacuum cup gripper, four zone face, three stage ejector, 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-2026-000004971) never changes.
Identity and time
| Publication number | OT-2026-000004971 · never reused |
|---|---|
| Internal UUID | 01a0a929-9c77-7bc9-ae37-9e63b0d09a61 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:41:11.676316Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004971 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8df1bf171f279f27d9f9557f183aee260e3c890d03eb37ee39ebfd87cdec11f1 |
|---|---|
| Markdown | 2a6d72edfec4d328769205adc7bdeeb88bce162fefa694bb6aea0c2873c1bd04 |
| Publication page | 1c5b67d9015cd627de1f1c6bd28e822f4a8fb1ad7e964a86d568bb2aef71029b |
| Manifest | 9cd7e59c6b6f20b1f30222c50c9956e6b4d3093a20d77f745865e226d06e3e1d |
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 | 6YgCCN6YmE31MF3ZXlnC/IGh0aPcbvTd/e52NoroIgB5fW1pflW7E4e+7WdArI22YOlglK+hVxrkYiLmlV0GCA== |
| 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
| 2026-09-16T07:50:29.471929Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004971observed 1c5b67d9015cd627de1f1c6bd28e822f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:50:29.458786Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004971/manifest.jsonobserved 9cd7e59c6b6f20b1f30222c50c9956e6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:29.446537Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004971/publication.mdobserved 2a6d72edfec4d328769205adc7bdeeb8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:29.434641Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004971/publication.txtobserved 8df1bf171f279f27d9f9557f183aee26...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. |
|---|