OT-2026-000003224
Publication integrity record
Pre-fabricated vacuum bag and vacuum bag process to externally reinforce structural members with advanced composites
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-2026-000003224) never changes.
Identity and time
| Publication number | OT-2026-000003224 · never reused |
|---|---|
| Internal UUID | 01a0a6a0-402b-7fce-9bb0-ef170a5c1b6f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:51:55.179341Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003224 |
| Status | PUBLIC |
Content hashes
| Canonical text | 09cbeecd285e26afb7786bea5a87300eecb32ae2a278fb9286ddc858651de952 |
|---|---|
| Markdown | a2094884258fac0228b8aa465e0e917332aed90c3d06cbf39df46bd756e48d3e |
| Publication page | 624062f748ef5f0e7219f10932246c3dc15b29fc506cff71bd9dfbde2719b9f7 |
| Manifest | 96ff9e2ef1b42c59d1b5169612796bcc28c87ef6a27221a7e7a2ae5dd5f3f855 |
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 | HuyJRIjoI2LPB0wmvpTtZSuJFGKEvKrMdwGlZZx35+WhWAkx9JXrMTIWbpBWeUWetMjMnKrwlnOztR8Xq92dCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T20:07:03Z batch OT-TS-2026-W38-004 · RFC 3161 token · inclusion proof root d42f3e627490c26ffd144bf37543fecf... |
|---|
Independent retrieval
| 2026-09-15T20:00:09.134631Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003224observed 624062f748ef5f0e7219f10932246c3d...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:00:08.978920Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003224/manifest.jsonobserved 96ff9e2ef1b42c59d1b5169612796bcc...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:00:08.965520Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003224/publication.txtobserved 09cbeecd285e26afb7786bea5a87300e...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 |
|---|