OT-2026-000012787
Publication integrity record
Four bellows cup vacuum gripper, four zone face, 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-2026-000012787) never changes.
Identity and time
| Publication number | OT-2026-000012787 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-5563-7c1c-88ba-5eec5ec81a95 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:16.019734Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000012787 |
| Status | PUBLIC |
Content hashes
| Canonical text | ffcd5f9287e987d3945c9cca7d84e6d3451db9455467a2ae2dcfe62134487866 |
|---|---|
| Markdown | 9669b52cd96c6feb9c451cbdedeab88f229d2c718f7d6cd35460b286c79a4a69 |
| Publication page | 70aa615bfbc8656def43372b47702b508bb769691910d6cba14da05563a4b206 |
| Manifest | 05acd43465af8813f7147cd256bc139a6cb853d48f4aa4a875e97de02c108695 |
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 | EgFNxLiNqXgJ3mqkul0vSpAKx1WbEG3Eh3OZbmejm9CM7PeFyJ8x8eLT8dmTKf45387zlTRXHwfduovTQwwRAg== |
| 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
| 2026-09-17T12:10:30.565948Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012787observed 70aa615bfbc8656def43372b47702b50...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:10:30.544648Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012787/manifest.jsonobserved 05acd43465af8813f7147cd256bc139a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:30.525788Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012787/publication.mdobserved 9669b52cd96c6feb9c451cbdedeab88f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:30.507902Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012787/publication.txtobserved ffcd5f9287e987d3945c9cca7d84e6d3...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. |
|---|