OT-2026-000031220
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000031220) never changes.
Identity and time
| Publication number | OT-2026-000031220 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87ab-77c9-a99e-4ab1ed4b4ea9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:07.653052Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031220 |
| Status | PUBLIC |
Content hashes
| Canonical text | b877559ac922d7204ca318c0a6ab5e29fea1ccf93697c0b9ea8e2311dc5bae8f |
|---|---|
| Markdown | 2363f7e3c551a97340137253e780f5a5b9f65e22d394524177271891708e21e4 |
| Publication page | 357f86b7a80a2f2fdecb27b2de6be543cf8d95576ed102a7958c019e40f88e57 |
| Manifest | 652fee409c0c12e0bdd2e6f37d3b13347f37a519a30aaa20a01b98315e1f47dd |
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 | kRVXQGom3WxsXO3g+bMe0xCkE522qY39TpB1uTxfRaxzVJRpn8JRhFsxwXMKkxPSb/yiYUgD783Fj3v9IczSAg== |
| 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
| 2026-09-17T11:35:47.220412Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031220observed 357f86b7a80a2f2fdecb27b2de6be543...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:47.200059Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031220/manifest.jsonobserved 652fee409c0c12e0bdd2e6f37d3b1334...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:47.182025Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031220/publication.mdobserved 2363f7e3c551a97340137253e780f5a5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:47.164560Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031220/publication.txtobserved b877559ac922d7204ca318c0a6ab5e29...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. |
|---|