OT-2026-000002275
Publication integrity record
Chemical container replacement system
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-2026-000002275) never changes.
Identity and time
| Publication number | OT-2026-000002275 · never reused |
|---|---|
| Internal UUID | 01a0a67b-a1d2-773f-83a9-07a695073093 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:11:55.346597Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002275 |
| Status | PUBLIC |
Content hashes
| Canonical text | 20b2354327ffcc3897d3775325d64b13ffcfe7d3a4842d7c18947c55df3f4832 |
|---|---|
| Markdown | a52e237e2cc4e234592196d582125c5c6b2e73b21ef694d1525b1633c8379624 |
| Publication page | 08e10ea6c23c0aae82074fe838487e79b956ccef2a4d2c83fe15ac29ed9cdfce |
| Manifest | 946ec6072e267fe289bcfcefd72759e5cbd09c6287e199a305794296f72c250c |
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 | U76MpMwqDOL0zvRWIwWEE6SB3hRu7abi956lcrRHJh1OCpyjRP9Ch+v+Ugz6LEE9QOkRkLkp6eCV6aYnOZLjDA== |
| 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... |
|---|
Independent retrieval
| 2026-09-15T19:40:33.297431Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002275observed 08e10ea6c23c0aae82074fe838487e79...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T19:40:33.269268Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002275/manifest.jsonobserved 946ec6072e267fe289bcfcefd72759e5...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:40:33.256341Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002275/publication.txtobserved 20b2354327ffcc3897d3775325d64b13...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 |
|---|