OT-2026-000001816
Publication integrity record
Photoresist bottle replacement system
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-2026-000001816) never changes.
Identity and time
| Publication number | OT-2026-000001816 · never reused |
|---|---|
| Internal UUID | 01a0a678-d04a-705d-8e24-ab07144a2ff8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:08:50.634675Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001816 |
| Status | PUBLIC |
Content hashes
| Canonical text | 79d2eea60cfb854795f34b878bf81ed757a5e97ea94e4051ba195fe2f56ea17c |
|---|---|
| Markdown | 155feece7ec39e5741ff0337c2c16a91cc0e39358c5f1a875e2e0a832cde826e |
| Publication page | 8883df48598c6ce10ef837e32cadd45856b314674d72aa57ac08eafe8a29b764 |
| Manifest | fa7103d429774d3e5af1634b7dff2a92e4058886d993b1ae519141826ca477ec |
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 | HNRs/iHG5ln9DBL0B8qpiR9N0Wr2OIX9SjjqZbXF0csqnNnt8hQMvzIdyRUk2uvBWlwl7Z+fkkrR3mnwmB+cAw== |
| 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
| 2026-10-13T04:23:31.713261Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001816observed 8883df48598c6ce10ef837e32cadd458...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-13T04:23:31.702231Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001816/manifest.jsonobserved fa7103d429774d3e5af1634b7dff2a92...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-13T04:23:31.690502Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001816/publication.mdobserved 155feece7ec39e5741ff0337c2c16a91...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-13T04:23:31.535489Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001816/publication.txtobserved 79d2eea60cfb854795f34b878bf81ed7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-08T16:42:16.736511Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001816observed 8883df48598c6ce10ef837e32cadd458...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T16:42:16.666958Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001816/manifest.jsonobserved fa7103d429774d3e5af1634b7dff2a92...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T16:42:16.579051Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001816/publication.mdobserved 155feece7ec39e5741ff0337c2c16a91...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T16:42:16.491251Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001816/publication.txtobserved 79d2eea60cfb854795f34b878bf81ed7...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 |
|---|