OT-2026-000011559
Publication integrity record
Three cup vacuum gripper, three zone face, pump fed, pressure sensor per zone, vented after 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-2026-000011559) never changes.
Identity and time
| Publication number | OT-2026-000011559 · never reused |
|---|---|
| Internal UUID | 01a0ae6c-8900-73ca-9453-658796e02f43 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:12:23.703080Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000011559 |
| Status | PUBLIC |
Content hashes
| Canonical text | 74c3e0471c699b751895abb7f9c51e950ac9f86cc8b596d5df0b7538494bfb3c |
|---|---|
| Markdown | 0326ab53de73d0e461fbe8f3f31a0fec16b4dde44ff0a7d8d12cd6e327145733 |
| Publication page | 31ab890e88cca1cd4837bd94b9d37f3db4803505a3eb271f06b313f1f13e8d6e |
| Manifest | cad67b3228bf65ab66cc5d7872fadf1dba6a1e2e871146df73a3287d3fc8ef54 |
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 | epRpYk5SREse0qD9yhbINn7z4GM6LmLzBjIaVVan7cEwUx+SyutLLPQHE9/d/n3G3PXgAMh5yCeSImGfml/eAw== |
| 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
| 2026-09-17T12:13:27.312604Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011559observed 31ab890e88cca1cd4837bd94b9d37f3d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:13:27.294501Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011559/manifest.jsonobserved cad67b3228bf65ab66cc5d7872fadf1d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:13:27.268378Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011559/publication.mdobserved 0326ab53de73d0e461fbe8f3f31a0fec...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:13:27.244005Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011559/publication.txtobserved 74c3e0471c699b751895abb7f9c51e95...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. |
|---|