OT-2026-000001139
Publication integrity record
Crane counterweight and suspension
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-2026-000001139) never changes.
Identity and time
| Publication number | OT-2026-000001139 · never reused |
|---|---|
| Internal UUID | 01a0a674-4f61-7b6b-9206-cb817d034520 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:03:55.489508Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001139 |
| Status | PUBLIC |
Content hashes
| Canonical text | 60c0f3a3201fd1ba2ba8dcfb95717697a278613cc7f9d6c9972464508dbbc8ef |
|---|---|
| Markdown | 36f98003873fd9d060e5a4412f19865edeb2ef6c8ee19ecc2aa94c0ebc887b64 |
| Publication page | 8f5a62bc1978215c61928ee07d50db1fb1d0ed880bb83d6eee517923ea5643d0 |
| Manifest | 88a14208b3f230247cb65b1a167d958e8b3e82d1be15c098773ed7d2f4874976 |
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 | RUWrY+XM2MBjywR49wsALAaj+xvmBrUlDwN7yYposJCjrxhm9zAGTY/42uyKhNYuEzzy9nFqWaNEgz4ZJYEpAg== |
| 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
| 2026-09-15T20:20:19.849247Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001139observed 8f5a62bc1978215c61928ee07d50db1f...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:20:19.819778Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001139/manifest.jsonobserved 88a14208b3f230247cb65b1a167d958e...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:20:19.805751Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001139/publication.txtobserved 60c0f3a3201fd1ba2ba8dcfb95717697...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 |
|---|