OT-2026-000000544
Publication integrity record
Friction lock bar jack for construction
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-2026-000000544) never changes.
Identity and time
| Publication number | OT-2026-000000544 · never reused |
|---|---|
| Internal UUID | 01a0a673-847b-7fda-9be9-deccc8e2fd8d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:03:03.547855Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000544 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6607275b3910db81c02bd861ffd8182b2ce1739633f5eaba262e59a2809d6923 |
|---|---|
| Markdown | c09a5c221da565fda0bdb3827ac9a42429be3f5416cd024bf957b531ef7f73c4 |
| Publication page | 03d209fcfb71e4a909276773f4f0906cc18bd371f2b1506bba5e32d56e4f9c21 |
| Manifest | dcf3a4441fec8c71172f1a503d74b1c81c7395c61393d239d3aa712f54a5d280 |
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 | g8CCoWV68PvJDIUCNM/S3fCGZT7N3ySt86PbXxywilEzKrTcjQNd9tKmzZq4Xb0RgatPiLuR1ejUoTh4sa2JBg== |
| 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
| 2026-10-14T12:41:21.939107Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000544observed 03d209fcfb71e4a909276773f4f0906c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-14T12:41:21.857565Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000544/manifest.jsonobserved dcf3a4441fec8c71172f1a503d74b1c8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T12:41:21.798727Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000544/publication.mdobserved c09a5c221da565fda0bdb3827ac9a424...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-14T12:41:21.592931Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000544/publication.txtobserved 6607275b3910db81c02bd861ffd8182b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:43:25.147856Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000544observed 03d209fcfb71e4a909276773f4f0906c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:43:24.626006Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000544/manifest.jsonobserved dcf3a4441fec8c71172f1a503d74b1c8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:43:23.893366Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000544/publication.mdobserved c09a5c221da565fda0bdb3827ac9a424...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:43:23.138450Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000544/publication.txtobserved 6607275b3910db81c02bd861ffd8182b...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 |
|---|