OT-2026-000043253
Publication integrity record
Four cup vacuum gripper, four outlet manifold, pump fed, sustained 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-2026-000043253) never changes.
Identity and time
| Publication number | OT-2026-000043253 · never reused |
|---|---|
| Internal UUID | 01a0ae7b-327d-73f7-80fe-0057639f812c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:28:24.717423Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000043253 |
| Status | PUBLIC |
Content hashes
| Canonical text | d7c634e6c9ba8e51bd38d9f944383393c4cd88f4a59e18fab61d29a29f49df65 |
|---|---|
| Markdown | e51634f730f129c1d0df926645af400a7f128298d139769eca350bf1f3133efd |
| Publication page | b1dba0c45b7bb92e08979672953b979995a29e2fbf0d5c07a0b26d9516bbc8de |
| Manifest | 7e17548f124534fc714a29200677385a77a30ce6dd0f6a8a86e200987c1fda19 |
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 | WqimebbKORfw8jlCZD4hz7MAGYZtfkzkWTxRebhMaB7oJOcc9ZlalYBT7ne2CG5Dcv7iTqUfuGkpQKTWh+0kBw== |
| 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
| 2026-09-17T11:13:44.004097Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043253observed b1dba0c45b7bb92e08979672953b9799...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:13:43.983072Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043253/manifest.jsonobserved 7e17548f124534fc714a29200677385a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:13:43.962822Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043253/publication.mdobserved e51634f730f129c1d0df926645af400a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:13:43.942622Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043253/publication.txtobserved d7c634e6c9ba8e51bd38d9f944383393...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. |
|---|