OT-2026-000000659
Publication integrity record
Water-based, high-efficiency chemical reagent for substrate surface particle removal
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-2026-000000659) never changes.
Identity and time
| Publication number | OT-2026-000000659 · never reused |
|---|---|
| Internal UUID | 01a0a673-a9f8-7357-929c-746ff60dbae1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:03:13.144742Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000659 |
| Status | PUBLIC |
Content hashes
| Canonical text | 451ffe376474a484b8fe643f5b84b025f67ffaacf142e111b633ee89598931c2 |
|---|---|
| Markdown | 1519a58b33e9714ca14a448cd0b65a43e53e0b0e2f38dfc3e4ce2c7049acfbcd |
| Publication page | 032ab9c9b4b7938bf2add996c069fb72412e7d8fd1acb9b24f746b3a3d1f61a6 |
| Manifest | a56930378ebad921d5553140e2f589aef2bf0924cf12db3cc7912087a4c22522 |
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 | SNQRP+n6V5dW4nBDNpnP2q/yvmFj9MNoE0DY1uZ5+/FhAoAEgfAj76CJCgjv/yadOZ21yMAOdXyojWHN2nAzCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:07:03Z batch OT-TS-2026-W38-001 · RFC 3161 token · inclusion proof root 6369baadb1a246009d149835804d20ba... |
|---|
Independent retrieval
| 2026-09-15T20:40:19.222576Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000659observed 032ab9c9b4b7938bf2add996c069fb72...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:40:19.070090Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000659/manifest.jsonobserved a56930378ebad921d5553140e2f589ae...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:40:19.056199Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000659/publication.txtobserved 451ffe376474a484b8fe643f5b84b025...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 |
|---|