OT-2026-000013643
Publication integrity record
Three cup vacuum gripper, three zone face, per zone isolation, pump fed, pulsed blow-off before set-down, on a tool changer
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-2026-000013643) never changes.
Identity and time
| Publication number | OT-2026-000013643 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-8de8-7e21-8f7a-e34d4f5380e1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:30.489074Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013643 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4c7f4b943629cf919f0ee2492cfddf1767424cb829b8ef5f5efb8a17534287fe |
|---|---|
| Markdown | c174d453091c4a2b94f138afd71e030253c3a253b91683ae22c4ea01bb4d865d |
| Publication page | 7b4c08e5d9e3027ccef99684f16303c6f669359145f5b9024f320a0d7714505d |
| Manifest | 239351eac5077650833dbf6a12632b9e709db03944299bc061be55decf70aa4f |
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 | rPbZU0/1vuK7xLshEbGQICMjO0VDSR2G8FKPdcRBUzkgJOsj/DpCv4YdEw7BS/V9buX3HL/KrFeqWG9RKmiqAw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T12:08:34.745419Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013643observed 7b4c08e5d9e3027ccef99684f16303c6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:08:34.726666Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013643/manifest.jsonobserved 239351eac5077650833dbf6a12632b9e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:08:34.707224Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013643/publication.mdobserved c174d453091c4a2b94f138afd71e0302...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:08:34.687797Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013643/publication.txtobserved 4c7f4b943629cf919f0ee2492cfddf17...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. |
|---|