OT-2026-000003326
Publication integrity record
Method for vacuum bag molding fiber reinforced resin matrix 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-2026-000003326) never changes.
Identity and time
| Publication number | OT-2026-000003326 · never reused |
|---|---|
| Internal UUID | 01a0a6b0-9c35-700a-ad2f-8a695c478463 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T20:09:47.318031Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003326 |
| Status | PUBLIC |
Content hashes
| Canonical text | b01fcfcb526ea06715e9314b9efeb852a8d917876c7b9b12dd0cddc33060df26 |
|---|---|
| Markdown | 1638f785373af98387ec15e75bd153e4a3e9fd7081e17c3338532587baac148a |
| Publication page | 5f1b0dd1b876977c123c23410fe703ff3cae3ab4a9db63bbf206a66322ededb0 |
| Manifest | 891f4d5f29f9f92d3a3417e1ffb907c802fa3c8551720835f64a2393039079b8 |
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 | VRccIZwGUGlowLKu2y3Z+6QkZrVbGdrJJXKzjf+hEr7cRF2fgM2jQkGZEFyxpu6vn36r4kIwmjFEx/YTDm9kBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T20:27:02Z batch OT-TS-2026-W38-005 · RFC 3161 token · inclusion proof root 0d980c01ea01b2d7f69845e24a85320c... |
|---|
Independent retrieval
| 2026-09-17T04:23:07.698543Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003326observed 5f1b0dd1b876977c123c23410fe703ff...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T04:23:07.681015Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003326/manifest.jsonobserved 891f4d5f29f9f92d3a3417e1ffb907c8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:07.633739Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003326/publication.mdobserved 1638f785373af98387ec15e75bd153e4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:23:07.590910Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003326/publication.txtobserved b01fcfcb526ea06715e9314b9efeb852...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:43:16.658133Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003326observed 5f1b0dd1b876977c123c23410fe703ff...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:43:16.124325Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003326/manifest.jsonobserved 891f4d5f29f9f92d3a3417e1ffb907c8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:43:15.475407Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003326/publication.mdobserved 1638f785373af98387ec15e75bd153e4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:43:14.894331Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003326/publication.txtobserved b01fcfcb526ea06715e9314b9efeb852...fetched by grabo-systems from 34.44.131.203, 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 |
|---|