OT-2026-000003351
Publication integrity record
Instant on-off valve for high-pressure fluids
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-2026-000003351) never changes.
Identity and time
| Publication number | OT-2026-000003351 · never reused |
|---|---|
| Internal UUID | 01a0a6b4-ff32-7b3b-9032-3817d0074256 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T20:14:34.803313Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003351 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0bbd796bdafd62907b02c2c85744fe45d79aeefb4d77202e6b96e16712007351 |
|---|---|
| Markdown | b5fbb554e47f47b9847bc375580acd60c9e7a4454f029fc31aa3c1cc25c3ac0b |
| Publication page | a325aeb5dcb8f07d33159329598350f3fd8a97bbaf08b73775fd873d7402c748 |
| Manifest | c67122f465bbe1b2490b5106ee134b83c875ab23cedbef13209d2b97fa070d2b |
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 | 99JUOYRy8BmRq14Z8MYdL+mcQWRrGDOuIMBnokuUm2k1j3cZvhY28XUGh/LabjYhra+IRlQ3/TPmoYYCW8AjBA== |
| 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
| 2026-09-15T20:20:06.418430Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003351observed a325aeb5dcb8f07d33159329598350f3...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:20:06.391563Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003351/manifest.jsonobserved c67122f465bbe1b2490b5106ee134b83...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:20:06.379098Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003351/publication.txtobserved 0bbd796bdafd62907b02c2c85744fe45...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 |
|---|