OT-2026-000012180
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000012180) never changes.
Identity and time
| Publication number | OT-2026-000012180 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-39f5-7658-bf1d-8355f7f240db · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:08.998406Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000012180 |
| Status | PUBLIC |
Content hashes
| Canonical text | 13877aca0c94ca39e85844a6e935bc72a193c64e141cccb1d0a57d0105a13ec4 |
|---|---|
| Markdown | 1fa68feaaacd5f34ad19dd671c33c62cf666ef54030f8c0726ee1fdbd35f5925 |
| Publication page | b83faaa5f1037c83357e77c04d92c3e61df97366e90de533e42ac6131025f3ef |
| Manifest | 41e2e4a8af65287621087a923c385b5301f6523289f3c3ef3046b3f2a509e923 |
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 | nVy7kJBmNUfY00Kugbcmd7XhdMcuB0k/J5SvrZwiKMi8piaj9DuIkpvJ4UgcOV4lUHZucfoNdS8OLrsUQZljDg== |
| 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
| 2026-09-17T12:11:05.033393Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012180observed b83faaa5f1037c83357e77c04d92c3e6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:11:05.014252Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012180/manifest.jsonobserved 41e2e4a8af65287621087a923c385b53...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:11:04.994889Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012180/publication.mdobserved 1fa68feaaacd5f34ad19dd671c33c62c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:11:04.975205Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012180/publication.txtobserved 13877aca0c94ca39e85844a6e935bc72...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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|