OT-2026-000021581
Publication integrity record
Single cup vacuum gripper, common isolation valve, two stage ejector, sustained 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-2026-000021581) never changes.
Identity and time
| Publication number | OT-2026-000021581 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-7326-9d65-a703331149f9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021581 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0252d144a6f592a4ada3e0bfea93bec0483b78c9e505ccb285dfa0419f01d214 |
|---|---|
| Markdown | 6015914432db15215bda63dcdca7d019b62dea4336d87f285e159f80e5438019 |
| Publication page | 730dc4209f65e36f160dbbd011561c4f880ebbf9dc63af1a4362e2c50ad7b00a |
| Manifest | 95471c11f3fb8512d0f147016bd3a10f7fd6aeb7e1764eea0a8ab3751362ae7d |
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 | HZ7hXL/XNCAIe3U2487Cw3arW1Kz/EgjNLyon/f7g7Z9fwpDxf1EKF4gxOIfmotKDeDFjeQpVF5rCQk8iHyRBw== |
| 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
| 2026-09-17T11:55:30.294555Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021581observed 730dc4209f65e36f160dbbd011561c4f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:30.274922Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021581/manifest.jsonobserved 95471c11f3fb8512d0f147016bd3a10f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:30.258097Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021581/publication.mdobserved 6015914432db15215bda63dcdca7d019...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:30.241209Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021581/publication.txtobserved 0252d144a6f592a4ada3e0bfea93bec0...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. |
|---|