OT-2026-000006254
Publication integrity record
Magnetic end effector, three stage ejector, electromagnet, 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-2026-000006254) never changes.
Identity and time
| Publication number | OT-2026-000006254 · never reused |
|---|---|
| Internal UUID | 01a0a954-88ea-7ab2-81b9-0ca1c4bcf2c1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:28:04.717294Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006254 |
| Status | PUBLIC |
Content hashes
| Canonical text | e942a5f06274b781936b599faf71768534816954e7d694d2f6ba02e9215b399d |
|---|---|
| Markdown | bff1792e99b0423f81f6d8a41ce934506c5b34f7658c7f50e830eb0e1780aff7 |
| Publication page | 69ad0822569af6e198f0b25aac16ab12931601dc82f5be82506632c2007c1cc9 |
| Manifest | 566b9c11ab114eb1c662eebbbd8d5a392d0e0e39ec5f02d825a947fd61cae704 |
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 | qdM2AvFeu3277OE5X0texNO6BrVCze06d2MxOFLEcsBwa60dNKa4a6woq4BKPKXlVeZgSOkJWYTj1FXyvXrNCg== |
| 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
| 2026-10-03T08:41:34.819550Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006254observed 69ad0822569af6e198f0b25aac16ab12...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-03T08:41:34.749418Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006254/manifest.jsonobserved 566b9c11ab114eb1c662eebbbd8d5a39...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T08:41:34.677243Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006254/publication.mdobserved bff1792e99b0423f81f6d8a41ce93450...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T08:41:34.470411Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006254/publication.txtobserved e942a5f06274b781936b599faf717685...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T00:41:04.593563Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006254observed 69ad0822569af6e198f0b25aac16ab12...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T00:41:04.545462Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006254/manifest.jsonobserved 566b9c11ab114eb1c662eebbbd8d5a39...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T00:41:04.499090Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006254/publication.mdobserved bff1792e99b0423f81f6d8a41ce93450...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T00:41:04.343914Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006254/publication.txtobserved e942a5f06274b781936b599faf717685...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 |
|---|