OT-2026-000000855
Publication integrity record
Welding station and method for producing a package comprising a heat-sealed wrapping
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-2026-000000855) never changes.
Identity and time
| Publication number | OT-2026-000000855 · never reused |
|---|---|
| Internal UUID | 01a0a673-ec0e-7bf0-88d0-77f72004e541 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:03:30.063417Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000855 |
| Status | PUBLIC |
Content hashes
| Canonical text | 67306ec897f643b50255fa569d86317e7f9d19d50df6e89b80f98479b6d991bd |
|---|---|
| Markdown | d39a12c877b938fcaa8d7b62020379b34cc5a0669adc796f42a512cf0896825d |
| Publication page | 1594e9d6145462b0143aaaa1e94fe180b376b77fabed6d1d1182c593ab4530af |
| Manifest | 7816bc9f44dfbf0f0dc1e481f45cbd6b863596c0dce1b6e494c99631a39f8cec |
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 | jf0M/VyXqUm65ClRdyi5pPuLuWfniBUZb7neDeEgZOTBa1zCD9HGfCeGwl8iskIrcziD/4OLqZ2MmUBCaw+6Bg== |
| 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
| 2026-09-22T08:41:40.603557Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000855observed 1594e9d6145462b0143aaaa1e94fe180...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-22T08:41:40.539549Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000855/manifest.jsonobserved 7816bc9f44dfbf0f0dc1e481f45cbd6b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T08:41:40.469435Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000855/publication.mdobserved d39a12c877b938fcaa8d7b62020379b3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T08:41:40.367222Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000855/publication.txtobserved 67306ec897f643b50255fa569d86317e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:30:27.406088Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000855observed 1594e9d6145462b0143aaaa1e94fe180...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:30:27.374291Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000855/manifest.jsonobserved 7816bc9f44dfbf0f0dc1e481f45cbd6b...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:30:27.359504Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000855/publication.txtobserved 67306ec897f643b50255fa569d86317e...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 |
|---|