OT-2026-000033057
Publication integrity record
Single cup vacuum gripper, plant vacuum fed, pulsed blow-off 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-2026-000033057) never changes.
Identity and time
| Publication number | OT-2026-000033057 · never reused |
|---|---|
| Internal UUID | 01a0ae75-4843-7711-bc1c-1df502f6e907 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:57.065765Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000033057 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7ef47d9e2afd6050cf10185db1d4c1f076675ed22f6e9d63179bc8724b76c064 |
|---|---|
| Markdown | ba1ea3163c58f86c63c586503552f79a05d2d044bf6d21bb5862a7586d367f7e |
| Publication page | e6b0beb1c5fe4b3497281d0eacc2a6d07514b20f9cb8443cac25d6b01ee7c7b9 |
| Manifest | 89248960994f43c5d0a5a370c21a3cacd4169801ddb0872e3f006dc395daccd2 |
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 | 5bpv2qc8VHoW/wEQDpuYr16I2gMb9jQ7SpaORrf1e5R1G1dmzk+6PcUqqOn5bzUzUXjP7IpTxksFzi32TDH3Ag== |
| 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
| 2026-09-17T11:32:41.962047Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033057observed e6b0beb1c5fe4b3497281d0eacc2a6d0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:32:41.943490Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033057/manifest.jsonobserved 89248960994f43c5d0a5a370c21a3cac...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:32:41.926211Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033057/publication.mdobserved ba1ea3163c58f86c63c586503552f79a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:32:41.908590Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033057/publication.txtobserved 7ef47d9e2afd6050cf10185db1d4c1f0...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. |
|---|