OT-2026-000071308
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000071308) never changes.
Identity and time
| Publication number | OT-2026-000071308 · never reused |
|---|---|
| Internal UUID | 01a0ae91-e0ec-7642-935a-121de467a470 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:11.039722Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000071308 |
| Status | PUBLIC |
Content hashes
| Canonical text | e2c9494ba09673505bf03b011c5050063928f1dc5f19ed8ad3c06a57ab64730f |
|---|---|
| Markdown | a9282a95b9c8eedea37a11df1a39c6dfb2dfeb2778d4d1ee2e33f9287098dfed |
| Publication page | 3a859c638163c9d3ae58ec97d174787d5793e453117f964b83d06faee6b97be4 |
| Manifest | 2a2ffb600f210ec5ce9e72b2e33365cb9a5552efc8d9faa1515b505c3da41ae3 |
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 | JjnTbHVuVTByEs9kmcLJGW+/T7FSpOHs1YfJOwM8BulNSwrcsCxhhdextwEWiuotg1SB3a5aD3szfkHJYM8HBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-11-01T00:41:08.585674Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071308observed 3a859c638163c9d3ae58ec97d174787d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-01T00:41:08.503833Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071308/manifest.jsonobserved 2a2ffb600f210ec5ce9e72b2e33365cb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T00:41:08.389278Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071308/publication.mdobserved a9282a95b9c8eedea37a11df1a39c6df...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T00:41:08.240707Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071308/publication.txtobserved e2c9494ba09673505bf03b011c505006...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T16:41:14.359779Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071308observed 3a859c638163c9d3ae58ec97d174787d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T16:41:14.310707Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071308/manifest.jsonobserved 2a2ffb600f210ec5ce9e72b2e33365cb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T16:41:14.260446Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071308/publication.mdobserved a9282a95b9c8eedea37a11df1a39c6df...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T16:41:14.145235Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071308/publication.txtobserved e2c9494ba09673505bf03b011c505006...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 |
|---|