OT-2026-000028131
Publication integrity record
Foam pad vacuum gripper, two 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-2026-000028131) never changes.
Identity and time
| Publication number | OT-2026-000028131 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a520-716d-9b07-9d68e851d00c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028131 |
| Status | PUBLIC |
Content hashes
| Canonical text | a909f98d0856ce070523f53f06490a2502611288712ae0802039b0733cc5d9cc |
|---|---|
| Markdown | f0890fd219b941dadf008c2504c05af14be3abc74b47459b7c196c1d811e0e95 |
| Publication page | fbcc047b723a14612ee601f881219a119bc7ca0b0fddadb9f67074d641dde35c |
| Manifest | 1ac85fb059f9dcfffeed05796859a5364d1e6bdf3ab1a5d7b422e83df636a65b |
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 | uq8ZwLaYetgwFsYPPe/cEBhIJXrWFX8opZoqhYZ0hWo4/wU9/ym8xlwQdOhzWqFnAcLqUHaVHclXgrLbawP6Aw== |
| 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
| 2026-09-17T11:42:28.985406Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028131observed fbcc047b723a14612ee601f881219a11...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:28.968368Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028131/manifest.jsonobserved 1ac85fb059f9dcfffeed05796859a536...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:28.951546Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028131/publication.mdobserved f0890fd219b941dadf008c2504c05af1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:28.934847Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028131/publication.txtobserved a909f98d0856ce070523f53f06490a25...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. |
|---|