OT-2026-000002125
Publication integrity record
Clamping system, and changing system comprising the same
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-2026-000002125) never changes.
Identity and time
| Publication number | OT-2026-000002125 · never reused |
|---|---|
| Internal UUID | 01a0a67a-c046-7537-9d52-1506f9e70f8a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:10:57.606421Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002125 |
| Status | PUBLIC |
Content hashes
| Canonical text | fecd3ee5a3fb15f31b42964cb3e05e2764387f5aee8ece2c1e65abe46232cae4 |
|---|---|
| Markdown | d4a72454d1a88805616d654923d200e3083bd4827a7686aadc81c0fc4901dd80 |
| Publication page | 5cf31dfe7d596904d1eaba33538e71d6951b84022812aaee461c7fb149869b71 |
| Manifest | 2bd5cb42bc6fef4963cd4f8d981683a3e4bd1c299ecdd860c4c726ec25bd276d |
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 | /5MiHCU2DUN9Zf1c6OWrHFTHflxbzeAUFEJ2JO97EFIsNZqfwbbnbi+e4qqyAqZz2aOuGgjVwSUadrQpvEU7Dg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:27:02Z batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof root 2d7e364e718bd6a32072ec57f9edc195... |
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Independent retrieval
| 2026-10-09T08:41:36.786768Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002125observed 5cf31dfe7d596904d1eaba33538e71d6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-09T08:41:36.703244Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002125/manifest.jsonobserved 2bd5cb42bc6fef4963cd4f8d981683a3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T08:41:36.631648Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002125/publication.mdobserved d4a72454d1a88805616d654923d200e3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-09T08:41:36.488623Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002125/publication.txtobserved fecd3ee5a3fb15f31b42964cb3e05e27...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:50:22.366510Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002125observed 5cf31dfe7d596904d1eaba33538e71d6...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:50:22.338297Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002125/manifest.jsonobserved 2bd5cb42bc6fef4963cd4f8d981683a3...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:50:22.324887Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002125/publication.txtobserved fecd3ee5a3fb15f31b42964cb3e05e27...fetched by instance-3.rotem.ai from 127.0.0.1, 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 |
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