OT-2026-000007057
Publication integrity record
Magnetic end effector, ejector fed, permanent magnet, 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-2026-000007057) never changes.
Identity and time
| Publication number | OT-2026-000007057 · never reused |
|---|---|
| Internal UUID | 01a0a971-1757-7e33-8db4-6874a37ebf4e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:59:16.185876Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007057 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8fd1014eabb115474b18237e59997dd96a379e2dc9a639557a2c5f61fca40971 |
|---|---|
| Markdown | 3c212b59550e0ff0a9e7702b2f8ba64d279e1f031fa2b05d75c6759df389b3aa |
| Publication page | 6bbec2d87b22ab63165ac2511fbcb37a0ab88262032e8744b971e9f0005681bc |
| Manifest | 5173ac8d719be3aa60c4ce3ef59a93a55f00826285c8716ae4016c0e15abf184 |
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 | 30m6LcfrHvC7MVz3gqNS+PusGY6V2cXLAV/ZNZIQJQnjdLdMYjALUUxroY1Wf9WaGoGFxhxNysrqvb8MCF+IBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T09:07:03Z batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof root 2354c19da800f8df297acf3cddd64d4d... |
|---|
Independent retrieval
| 2026-10-05T08:41:29.358953Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007057observed 6bbec2d87b22ab63165ac2511fbcb37a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-05T08:41:29.315228Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007057/manifest.jsonobserved 5173ac8d719be3aa60c4ce3ef59a93a5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T08:41:29.272228Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007057/publication.mdobserved 3c212b59550e0ff0a9e7702b2f8ba64d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T08:41:29.170169Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007057/publication.txtobserved 8fd1014eabb115474b18237e59997dd9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T12:41:49.035032Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007057observed 6bbec2d87b22ab63165ac2511fbcb37a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T12:41:48.949499Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007057/manifest.jsonobserved 5173ac8d719be3aa60c4ce3ef59a93a5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T12:41:48.902815Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007057/publication.mdobserved 3c212b59550e0ff0a9e7702b2f8ba64d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T12:41:48.695705Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007057/publication.txtobserved 8fd1014eabb115474b18237e59997dd9...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 |
|---|