OT-2026-000001403
Publication integrity record
A system and a method for temporary storage and offloading of granular materials
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-2026-000001403) never changes.
Identity and time
| Publication number | OT-2026-000001403 · never reused |
|---|---|
| Internal UUID | 01a0a675-de2e-76fe-aa04-153e66c30038 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:05:37.583197Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001403 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6a2409e0fee283db3c5546683b6a7aa00379b0b3b7c7fe94b599044b04edb072 |
|---|---|
| Markdown | 62bf5b23a66eff428f5382d0bafb224a995cead3d9cf987937f217d3895496b4 |
| Publication page | d3f26a65ebc45a9e391e56cfbc3571b90436ed958be06079449b7031049b244f |
| Manifest | 986f9763b3768af0cde944f2eef7d53e5961a3a121dd4cb33a709c7bbcb37d37 |
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 | wsqav5bUgzCc4oCmTNyXPxINw7XwbfF6GJ6ui/h2g1cTidBdqjHDr1NccJTt6T2/XfhUpPanPmkWFGCqMdGEAw== |
| 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
| 2026-10-15T08:41:08.419549Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001403observed d3f26a65ebc45a9e391e56cfbc3571b9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-15T08:41:08.355113Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001403/manifest.jsonobserved 986f9763b3768af0cde944f2eef7d53e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T08:41:08.304132Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001403/publication.mdobserved 62bf5b23a66eff428f5382d0bafb224a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T08:41:08.085842Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001403/publication.txtobserved 6a2409e0fee283db3c5546683b6a7aa0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:10:20.261827Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001403observed d3f26a65ebc45a9e391e56cfbc3571b9...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:10:20.225088Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001403/manifest.jsonobserved 986f9763b3768af0cde944f2eef7d53e...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:10:20.211332Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001403/publication.txtobserved 6a2409e0fee283db3c5546683b6a7aa0...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 |
|---|