OT-2026-000026600
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-2026-000026600) never changes.
Identity and time
| Publication number | OT-2026-000026600 · never reused |
|---|---|
| Internal UUID | 01a0ae71-f4a9-7200-a164-f11b11e4ad1f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:18:18.960773Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000026600 |
| Status | PUBLIC |
Content hashes
| Canonical text | 19f41258f821f4dad2b6fd1473fed75db48fe1b363a77376eed39a0c1952b8b5 |
|---|---|
| Markdown | ef755952771ac6ea6c8e14e58c3f0f25a00c5d868e567194ab8862c377853b8c |
| Publication page | 635946e60211b67855878002ec5812b3ef58bbc5510f3ff5f4a9f2d0e5a92b74 |
| Manifest | 89d4b4567e16b4a59be0e7cb2f752983bda76a25559940c387679f3e08577ed5 |
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 | m9K8Njx1H97NlUYM10R6ycyeVl/aMwxdgY3YegwIKGaGwNShmYWyW4CIp1PHVm0P5uE564BoyhIUwrgvVLU3AA== |
| 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
| 2026-10-24T04:41:16.443543Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026600observed 635946e60211b67855878002ec5812b3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-24T04:41:16.378914Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026600/manifest.jsonobserved 89d4b4567e16b4a59be0e7cb2f752983...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T04:41:16.311619Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026600/publication.mdobserved ef755952771ac6ea6c8e14e58c3f0f25...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T04:41:16.233538Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026600/publication.txtobserved 19f41258f821f4dad2b6fd1473fed75d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T08:41:30.994577Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026600observed 635946e60211b67855878002ec5812b3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T08:41:30.899589Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026600/manifest.jsonobserved 89d4b4567e16b4a59be0e7cb2f752983...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T08:41:30.817929Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026600/publication.mdobserved ef755952771ac6ea6c8e14e58c3f0f25...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T08:41:30.762986Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026600/publication.txtobserved 19f41258f821f4dad2b6fd1473fed75d...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 |
|---|