OT-2026-000004518
Publication integrity record
Vacuum cup gripper, four zone face, ejector 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-2026-000004518) never changes.
Identity and time
| Publication number | OT-2026-000004518 · never reused |
|---|---|
| Internal UUID | 01a0a91a-a45c-7806-b35a-66d52695b733 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:24:50.655369Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004518 |
| Status | PUBLIC |
Content hashes
| Canonical text | e706ab94fdfd0c16d82e77e975b414ed0c59be58c4f100cbe8cbbaa536429f4f |
|---|---|
| Markdown | a357ae5efe8ed9171a67b5b151b5ad912256fe0fb698fbfb0cee411856521194 |
| Publication page | d2d71c7d1136874264b9348ec48664a68fcc1073ea1856da451ed073bcbfa572 |
| Manifest | 02b821da8b8056925c5820513c642af01377ff8e0713bde1652c26da25fc4ede |
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 | aRhV5cMJnwqsXW3TxeDZw5ratgeKaT0kNcLDYJlemMHGZSKmOoPQAiVwq1KrbdRVnbL68CZu9xZrXwsqnUFGAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:30:19.164086Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004518observed d2d71c7d1136874264b9348ec48664a6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:19.149277Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004518/manifest.jsonobserved 02b821da8b8056925c5820513c642af0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:19.132915Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004518/publication.mdobserved a357ae5efe8ed9171a67b5b151b5ad91...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:18.995939Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004518/publication.txtobserved e706ab94fdfd0c16d82e77e975b414ed...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. |
|---|