OT-2026-000001747
Publication integrity record
Gas cylinder separation tool set
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-2026-000001747) never changes.
Identity and time
| Publication number | OT-2026-000001747 · never reused |
|---|---|
| Internal UUID | 01a0a678-612d-754e-b2c9-c23871156054 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:08:22.191262Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001747 |
| Status | PUBLIC |
Content hashes
| Canonical text | d87450ec289173b0247e6828f6d8b44931ef3a27f9d6d043e7e508c62703591d |
|---|---|
| Markdown | 7114deb3af1991dd3cabfb3dd8ee85e84c88aa04045a940864f238de79b88144 |
| Publication page | 17a9bd68ded7f0ed232edc658019b15390f3ff3db53a3a9be1f223bbd903461f |
| Manifest | 787b91fd5f05d9c4552dd23818f4a3f2df5bf48c92923e03c5d5f7553eee4b50 |
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 | WkH/gWjfJLZaF1aEd3EQu3ljXByqlu1Ww+/n0E2F2F66HBWsAHRbsMO7VT5lZ5CqZL2Hi4iB9RIkmB6I+9oWBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:27:02Z batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof root 2d7e364e718bd6a32072ec57f9edc195... |
|---|
Independent retrieval
| 2026-09-16T12:41:11.737289Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001747observed 17a9bd68ded7f0ed232edc658019b153...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T12:41:11.483756Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001747/manifest.jsonobserved 787b91fd5f05d9c4552dd23818f4a3f2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T12:41:11.308008Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001747/publication.mdobserved 7114deb3af1991dd3cabfb3dd8ee85e8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T12:41:11.082638Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001747/publication.txtobserved d87450ec289173b0247e6828f6d8b449...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:10:29.907163Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001747observed 17a9bd68ded7f0ed232edc658019b153...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:10:29.880089Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001747/manifest.jsonobserved 787b91fd5f05d9c4552dd23818f4a3f2...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:10:29.866805Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001747/publication.txtobserved d87450ec289173b0247e6828f6d8b449...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 |
|---|