OT-2026-000054540
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000054540) never changes.
Identity and time
| Publication number | OT-2026-000054540 · never reused |
|---|---|
| Internal UUID | 01a0ae86-1283-7cdf-8d64-9afd6434c52c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:17.489937Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000054540 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8044cb6c11dd271d3bf9a35722ab1240f827752f13ddaad33ff9cb2a2d26eda1 |
|---|---|
| Markdown | e17106fcca30c67695d91ae94c3afa63ea1ed1be1d8fb0a86b2761ec55dcd0d0 |
| Publication page | 3889f6745c0330000fefe268f62889ce942b0ef3fa08fe13375bfdd66010479c |
| Manifest | 52d971423e16aae3db19e654dbab018b88100b8b5639e17f90857f185456df62 |
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 | VKCnTNivJJlU3IUaGk1aupxmGHPhcCjrauF5OL6tYn6xFTLr52F/xWD6kBqT53mgTcZURiyAmd/baHFPKtHlBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-25T16:41:41.034089Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054540observed 3889f6745c0330000fefe268f62889ce...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-25T16:41:40.960471Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054540/manifest.jsonobserved 52d971423e16aae3db19e654dbab018b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T16:41:40.889212Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054540/publication.mdobserved e17106fcca30c67695d91ae94c3afa63...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T16:41:40.798874Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054540/publication.txtobserved 8044cb6c11dd271d3bf9a35722ab1240...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T04:23:23.519779Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054540observed 3889f6745c0330000fefe268f62889ce...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-20T04:23:23.504509Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054540/manifest.jsonobserved 52d971423e16aae3db19e654dbab018b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-20T04:23:23.487941Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054540/publication.mdobserved e17106fcca30c67695d91ae94c3afa63...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-20T04:23:23.400089Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054540/publication.txtobserved 8044cb6c11dd271d3bf9a35722ab1240...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 |
|---|