OT-2026-000028344
Publication integrity record
Single bellows cup vacuum gripper, three stage ejector, 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-2026-000028344) never changes.
Identity and time
| Publication number | OT-2026-000028344 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f5-75dd-bcf3-bb7978542cc4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028344 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7f09b7d8f5a7dc75c37a6bfa7ac7658168c6c2e8ae861f0f1c57f15edb57f4e5 |
|---|---|
| Markdown | 75fd891b71e91be27c08864c7f70b164ecec688bf8ff14c400cedfcde94a1276 |
| Publication page | ec52dc7611134f3b17b57e377756170eca155a8d650db87ee57dd05219a9731a |
| Manifest | 7facdf5545ed2bb1dee6c316766274b7fbbb8ef79a91776e921f9aef5ef92691 |
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 | NY6a/sW6k9PHOteBjzrabXmK5gcIY9rRCg0VuVvCTGdpgBg4mdTDQCXUIBLyaaGLbtSlLsRPIXoAySaK19psAg== |
| 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
| 2026-09-17T11:40:21.149223Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028344observed ec52dc7611134f3b17b57e377756170e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:21.131386Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028344/manifest.jsonobserved 7facdf5545ed2bb1dee6c316766274b7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:21.113455Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028344/publication.mdobserved 75fd891b71e91be27c08864c7f70b164...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:21.092363Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028344/publication.txtobserved 7f09b7d8f5a7dc75c37a6bfa7ac76581...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. |
|---|