OT-2026-000006247
Publication integrity record
Porous face vacuum gripper, three stage ejector, sustained blow off before set down, closed cell
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-2026-000006247) never changes.
Identity and time
| Publication number | OT-2026-000006247 · never reused |
|---|---|
| Internal UUID | 01a0a954-4d27-7ae2-8f4a-4a6731dd7d3e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:27:49.417566Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006247 |
| Status | PUBLIC |
Content hashes
| Canonical text | 47f922e8445292ae7b48548566e204f028f6eb0be4375dce211e712826fe95e3 |
|---|---|
| Markdown | 96502eaa0b350e85eb1dfe664de8e9f5d6f4b2d33246f4cf5b5b4e364fab2bfb |
| Publication page | 14ce6c89fe5127e32845864dd11121f54c6d667e5d343439571042bda0cd5bea |
| Manifest | 3c4699b90da1a295e470bc2857415076b7f618de9b16c520b9a5e6e2b53a8eac |
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 | wdgGicqbnB1c5inQx7VAatCldD8fHfMrG76GYwN4WC3fjxxpAYbwrJr4FQWJ8LyRho3NlEQ+1e7QL58vCDndDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:47:03Z batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof root e368e9c5ab06dc5cb1b0682dd54c11f5... |
|---|
Independent retrieval
| 2026-10-20T04:23:10.155421Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006247observed 14ce6c89fe5127e32845864dd11121f5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-20T04:23:10.142358Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006247/manifest.jsonobserved 3c4699b90da1a295e470bc2857415076...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-20T04:23:10.127247Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006247/publication.mdobserved 96502eaa0b350e85eb1dfe664de8e9f5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-20T04:23:10.057007Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006247/publication.txtobserved 47f922e8445292ae7b48548566e204f0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-23T08:41:42.759565Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006247observed 14ce6c89fe5127e32845864dd11121f5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T08:41:42.691025Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006247/manifest.jsonobserved 3c4699b90da1a295e470bc2857415076...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T08:41:42.620047Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006247/publication.mdobserved 96502eaa0b350e85eb1dfe664de8e9f5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T08:41:42.499518Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006247/publication.txtobserved 47f922e8445292ae7b48548566e204f0...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 |
|---|