OT-2026-000042208
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, pulsed blow-off after 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-2026-000042208) never changes.
Identity and time
| Publication number | OT-2026-000042208 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-5d72-7e38-b1f6-b5f1bbe0deee · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:30.052779Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042208 |
| Status | PUBLIC |
Content hashes
| Canonical text | 32ddbb4b3b8808d6a877c9f518d55371b674e2f84e82c487b9fd5b865a9e1044 |
|---|---|
| Markdown | 79f23e5194bf4d842dcc462b6ee9f50dfd853ec493dfdf79c873a117219b741b |
| Publication page | fdd45b0fec2cdd39d986ff081bbb49d8d447d89505a6d7f9ab57c71d7f8a57ec |
| Manifest | 509f646c447c74c2b2c2e96ebd1ba15f0951a67e164d12e69cf78e0c062229e7 |
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 | ehU0eMqyPaZefYT4v84F1x56ru90msbBlSxeYRyxXjrN+SdwW5qbeuU1kT8FFq+jW9yLVOKrEBM4b9hPB7lgAA== |
| 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
| 2026-09-17T11:15:52.641824Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042208observed fdd45b0fec2cdd39d986ff081bbb49d8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:52.623469Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042208/manifest.jsonobserved 509f646c447c74c2b2c2e96ebd1ba15f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:52.592796Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042208/publication.mdobserved 79f23e5194bf4d842dcc462b6ee9f50d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:52.564311Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042208/publication.txtobserved 32ddbb4b3b8808d6a877c9f518d55371...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 |
|---|