OT-2026-000021519
Publication integrity record
Two cup vacuum gripper, two zone face, common isolation valve, single stage ejector, 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-2026-000021519) never changes.
Identity and time
| Publication number | OT-2026-000021519 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-7ce5-b9f5-73459d64fc72 · 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-2026-000021519 |
| Status | PUBLIC |
Content hashes
| Canonical text | bbfffed31da38bd0b82eba16a964f2f0dd2620b9b2bfcebb40236352ddd13f6c |
|---|---|
| Markdown | 0927ac39c2f8a75def4b9c0a28b91b73f425d1c758e98ce9d55aeecc5f9955b9 |
| Publication page | e22975ea2a4fddc4a9d07aaccadf5eca40e74797b099ce6e4103bc74b28ea6a6 |
| Manifest | b5b8596e2a16eedd15948e88000f27a8278e4bca2bf2e317b83051c9367128f2 |
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 | m1bAHjZBTrq9c0z908nD9TNwizbYLqUlA+gr659+pgqS5xr8E2X/4KLb8+OhCbJP2g0faQRDq7FiJINJeEaaBA== |
| 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
| 2026-09-17T11:55:26.223499Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021519observed e22975ea2a4fddc4a9d07aaccadf5eca...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:26.206984Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021519/manifest.jsonobserved b5b8596e2a16eedd15948e88000f27a8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:26.188126Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021519/publication.mdobserved 0927ac39c2f8a75def4b9c0a28b91b73...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:26.168050Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021519/publication.txtobserved bbfffed31da38bd0b82eba16a964f2f0...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. |
|---|