OT-2026-000020300
Publication integrity record
Single bellows cup vacuum gripper, pump fed, 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-2026-000020300) never changes.
Identity and time
| Publication number | OT-2026-000020300 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437a-77d7-8d7b-a816a50795be · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020300 |
| Status | PUBLIC |
Content hashes
| Canonical text | ab84d12faac93a2eafce7a374dac422392bee6963e404097d71ddc0b0bd9a663 |
|---|---|
| Markdown | e0ffc480230915fabe9c91f3312afe88750f7f677dcccbe46340f297e3e162f1 |
| Publication page | 5037c5edfd1344ff5f537ea88dc677edddb846224c91c40edfbd28fec3e128ac |
| Manifest | e461ccd7aa98adbd4859ac997aa5509908769b68cbf038d72e4f68c9d6a2a670 |
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 | 4LS5jVQWIk4tEhTuzB2+hHGnKP7kkMdNKVJyBPm76uSxKU7ltMb1uuHLCMHRlbEMfi+rTyxWWJeqJT9xf5zuAg== |
| 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
| 2026-09-17T11:56:40.004992Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020300observed 5037c5edfd1344ff5f537ea88dc677ed...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:39.984899Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020300/manifest.jsonobserved e461ccd7aa98adbd4859ac997aa55099...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:39.965722Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020300/publication.mdobserved e0ffc480230915fabe9c91f3312afe88...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:39.946344Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020300/publication.txtobserved ab84d12faac93a2eafce7a374dac4223...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. |
|---|