OT-2026-000021543
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, plant vacuum 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-2026-000021543) never changes.
Identity and time
| Publication number | OT-2026-000021543 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-7f19-b472-2739193bf71b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021543 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9e4eb002eb32183a3e334469feecc4b62b9945566d96e8d5679866ffc9e7188a |
|---|---|
| Markdown | 4fd97c12308ab7b472bc0083562c60e7bdab58483b80b4f1905d92fc08ed746d |
| Publication page | ecce4e314f214a0c36ed8e8cdd255a78fb89848de971c4a398143acaa3428523 |
| Manifest | 10f6ebe373fdf64d721f0e116e3409376e4158105b7ee0431122eae866f47e45 |
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 | EqTxvCIw38kdBY9jLA30ej2Ytc6iPrPKmsLMJeiiV02eYW3LPJywe12u/NMIqpGCPweCSIFy6OVMyr+Aq2RSAQ== |
| 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
| 2026-09-17T11:54:50.225902Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021543observed ecce4e314f214a0c36ed8e8cdd255a78...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:50.206772Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021543/manifest.jsonobserved 10f6ebe373fdf64d721f0e116e340937...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:50.186582Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021543/publication.mdobserved 4fd97c12308ab7b472bc0083562c60e7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:50.169032Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021543/publication.txtobserved 9e4eb002eb32183a3e334469feecc4b6...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. |
|---|