OT-2026-000000477
Publication integrity record
Tube lifter with ventilation valve
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-2026-000000477) never changes.
Identity and time
| Publication number | OT-2026-000000477 · never reused |
|---|---|
| Internal UUID | 01a0a673-6920-7055-9520-89b9e8921f3f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:02:56.545012Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000477 |
| Status | PUBLIC |
Content hashes
| Canonical text | c9e44e60cc0893de0bcc952549a8a4102d947d69fab9cd7959d8c046763d879e |
|---|---|
| Markdown | 41600edefa7f1f4559b4255911cb08569e86fbf77897fe63d29012f9d8699b76 |
| Publication page | eeced7f3139464991bda7e2eca4d0a9775fb02c2fb2a47816ce17fcfe8f62804 |
| Manifest | 57ca844aa7b9e44c994401dde71bf79ab23253a4a166c316a4b516b41243711c |
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 | o7blXhNQVJvYKYFTepHMThCUsXODZgjHDI4Bg1V6+O5oJvrZEOilV/+0sjwU/2KLDXXot8JL2/TG1ciqcX4EDA== |
| 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
| 2026-09-15T20:50:05.027643Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000477observed eeced7f3139464991bda7e2eca4d0a97...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:50:04.996723Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000477/manifest.jsonobserved 57ca844aa7b9e44c994401dde71bf79a...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:50:04.857838Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000477/publication.txtobserved c9e44e60cc0893de0bcc952549a8a410...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 |
|---|