OT-2026-000054749
Publication integrity record
Three cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000054749) never changes.
Identity and time
| Publication number | OT-2026-000054749 · never reused |
|---|---|
| Internal UUID | 01a0ae86-1284-7ad9-ad0e-9e50578d0efd · 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-2026-000054749 |
| Status | PUBLIC |
Content hashes
| Canonical text | 620da4e1a24865171771e7dd6efe75bbe0c016915d9ab658207fb619d86985e3 |
|---|---|
| Markdown | d41ad991f4cbf9855b7cf12a4fb92f506fddb3f1fb61aa3d599eacc8b595ca05 |
| Publication page | cae292f62fefad42e4bd87d52d3c55820d73164c3718e4ca830433e39edac7f9 |
| Manifest | 98d841486e46c212902810e1a6114f5eed25f21fccdc2a8c136497f6b86af4b5 |
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 | VPfs4ibhxc7ExSao5mnsneZA5Oldo/9o4Rf0BKSCb/K3Oy24fNVSLUd97blIcccCOTpE05t4xAPe9WjACS/LBg== |
| 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
| 2026-10-19T20:41:07.620768Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054749observed cae292f62fefad42e4bd87d52d3c5582...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-19T20:41:07.542816Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054749/manifest.jsonobserved 98d841486e46c212902810e1a6114f5e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T20:41:07.464178Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054749/publication.mdobserved d41ad991f4cbf9855b7cf12a4fb92f50...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T20:41:07.362745Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054749/publication.txtobserved 620da4e1a24865171771e7dd6efe75bb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T20:41:10.452059Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054749observed cae292f62fefad42e4bd87d52d3c5582...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T20:41:10.400174Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054749/manifest.jsonobserved 98d841486e46c212902810e1a6114f5e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T20:41:10.347210Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054749/publication.mdobserved d41ad991f4cbf9855b7cf12a4fb92f50...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T20:41:10.290769Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054749/publication.txtobserved 620da4e1a24865171771e7dd6efe75bb...fetched by grabo-systems from 34.44.131.203, 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 |
|---|