OT-2026-000001895
Publication integrity record
Apparatus for automatically fastening chemical coupler
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-2026-000001895) never changes.
Identity and time
| Publication number | OT-2026-000001895 · never reused |
|---|---|
| Internal UUID | 01a0a679-4a2c-7f10-a4b6-9f3fe712ab01 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:09:21.836863Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001895 |
| Status | PUBLIC |
Content hashes
| Canonical text | bed92682842744dff04203c9afad2b27f64b0184970fbfc518eeff1ffaf7be9f |
|---|---|
| Markdown | 5ef765b058b30b56381bfbb69465ab2ef230012183a43902f05cb6abbf3c663d |
| Publication page | 944cc7ea4b8fdb265e2acad42f928265208923e62c6e100b26cc3f24dcf793f6 |
| Manifest | 445e568bb5bc218837954b8daa4db8c4b00d618a3d9f2e311279aa17ae958b2d |
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 | 6QG+E/sfnS3FYVdz8UJyXRBKS+VDbpv9lMsofb62jGAaRJk7vwK5EFEGcsRz6fb6fpI9DHhbYA6RI8bTrKxkAA== |
| 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
| 2026-10-29T12:41:48.508450Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001895observed 944cc7ea4b8fdb265e2acad42f928265...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-29T12:41:48.462585Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001895/manifest.jsonobserved 445e568bb5bc218837954b8daa4db8c4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T12:41:48.416175Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001895/publication.mdobserved 5ef765b058b30b56381bfbb69465ab2e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T12:41:48.272812Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001895/publication.txtobserved bed92682842744dff04203c9afad2b27...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T08:41:20.428408Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001895observed 944cc7ea4b8fdb265e2acad42f928265...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T08:41:20.361446Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001895/manifest.jsonobserved 445e568bb5bc218837954b8daa4db8c4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T08:41:20.293602Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001895/publication.mdobserved 5ef765b058b30b56381bfbb69465ab2e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T08:41:20.118810Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001895/publication.txtobserved bed92682842744dff04203c9afad2b27...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 |
|---|