OT-2026-000000188
Publication integrity record
Oxygen tubing retraction and storage apparatus
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-2026-000000188) never changes.
Identity and time
| Publication number | OT-2026-000000188 · never reused |
|---|---|
| Internal UUID | 01a0a673-1660-7515-aeca-bded83ae00aa · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:02:35.361161Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000188 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1b7125ad1dbb96e68be9844796363ab974f5d4e45e9f5a78f682eae5a4bfb216 |
|---|---|
| Markdown | eabcb218938c3834325b2b1bf920c6cef0f63c91ccd94e9462ccf9fd67cbed51 |
| Publication page | 7fe84cae678aea24491da34c5b07dee54bfab897f372930dc36c82208e46700e |
| Manifest | 299d0286511400b9541be40efdb3b38edab985a6c954cad9c3f6d5c92fd25929 |
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 | rYykyCeSY/hLQon13jYJpPMSA4P38ScUvtfUXnWYGkm8isAlHlBQWjbH61y/FtZ+pGEta+j0lKgKMbnqlnJnDQ== |
| 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
| 2026-09-16T20:42:14.074032Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000188observed 7fe84cae678aea24491da34c5b07dee5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T20:42:13.950528Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000188/manifest.jsonobserved 299d0286511400b9541be40efdb3b38e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:42:13.830115Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000188/publication.mdobserved eabcb218938c3834325b2b1bf920c6ce...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:42:13.645275Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000188/publication.txtobserved 1b7125ad1dbb96e68be9844796363ab9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:50:38.989502Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000188observed 7fe84cae678aea24491da34c5b07dee5...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:50:38.832404Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000188/manifest.jsonobserved 299d0286511400b9541be40efdb3b38e...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:50:38.817908Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000188/publication.txtobserved 1b7125ad1dbb96e68be9844796363ab9...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 |
|---|