OT-2026-000028980
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, single 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-2026-000028980) never changes.
Identity and time
| Publication number | OT-2026-000028980 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9e-7c10-9d4e-272803d09e15 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028980 |
| Status | PUBLIC |
Content hashes
| Canonical text | b865833006a7a0a71cf934534c676f58d8ea2de19cfbbb425c04cb3ce8a0ca23 |
|---|---|
| Markdown | 33fef0251519b20a927387259dd91076dce222c6553cdd221a32df1e203b4801 |
| Publication page | b2e72a6dd031cff256edd0d648811a6de187c401854e15328d05e91526d2e3e4 |
| Manifest | f337cb2b97a05f886e01627b16062c50b4ad6f561485a15c490c5b538c7a355c |
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 | tncuxDqfw2LF3BlT+/ZgvcuVOGaa50LvKEmJWn/wdt3GyDlLsFmelTZHcdKI9qPFrAchnr0vuvqsG8YwmCwlCw== |
| 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
| 2026-09-17T08:20:30.469134Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028980observed b2e72a6dd031cff256edd0d648811a6d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:30.449624Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028980/manifest.jsonobserved f337cb2b97a05f886e01627b16062c50...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:30.430714Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028980/publication.mdobserved 33fef0251519b20a927387259dd91076...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:30.287413Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028980/publication.txtobserved b865833006a7a0a71cf934534c676f58...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. |
|---|