OT-2026-000021456
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000021456) never changes.
Identity and time
| Publication number | OT-2026-000021456 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865d-7cb8-b7ec-ec19fec4c889 · 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-2026-000021456 |
| Status | PUBLIC |
Content hashes
| Canonical text | 53da61f187f520d519eefa5c1a2271e0b9f0b35cdbbb4e7f327ff7594885f812 |
|---|---|
| Markdown | 2cc87288db63fea433b1f4c8d351bb6a522c4263f0c833955b7383524bb31fa9 |
| Publication page | 1c224c44c9bf45cdf441b0e4fa2f2d859ca24379eb224ef4e0ab57ac612c00f4 |
| Manifest | 73695c363bd196f2ff4047d76db1faf0ae8e60f319e7b775f981048de3b93c70 |
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 | TxCI2Oqmfv1SSdMpWdLzMXkJgpRm8LucdA5gcUR+oiebVWodBMM4K3Ei57oW7RwSXTVX8bTb/7aKF5eMLXhnDw== |
| 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
| 2026-09-17T11:55:22.057895Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021456observed 1c224c44c9bf45cdf441b0e4fa2f2d85...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:22.038220Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021456/manifest.jsonobserved 73695c363bd196f2ff4047d76db1faf0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:22.019952Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021456/publication.mdobserved 2cc87288db63fea433b1f4c8d351bb6a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:22.003572Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021456/publication.txtobserved 53da61f187f520d519eefa5c1a2271e0...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. |
|---|