OT-2026-000001921
Publication integrity record
Counterbalance device and counterbalance 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-2026-000001921) never changes.
Identity and time
| Publication number | OT-2026-000001921 · never reused |
|---|---|
| Internal UUID | 01a0a679-7137-7bc0-bf3c-37d6251ea300 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:09:31.831792Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001921 |
| Status | PUBLIC |
Content hashes
| Canonical text | e2f3f39a353648e06d04b97a814290b762b41678ed267fd76dd970d8331a3a32 |
|---|---|
| Markdown | 708e4b20f130807ae0bc733d36811d5536b9451e5205aa908b7e886c2393e4d5 |
| Publication page | 36b3952942cc766c3ae07cb66d2751f6362324a598e478a1e2d5691a474da792 |
| Manifest | 0526647be82caec06496deb9bdb763203525d90a450473277f16d653371ee6ca |
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 | 9jbD/bPGyo9DSgYe7rjLQneQd5T7fP7LPTs4uBAOxY7RRS7Y9EnWtqBBnbCcFi+SoASwAR45GrImcp/cQ+NpBw== |
| 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
| 2026-10-17T04:23:18.108038Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001921observed 36b3952942cc766c3ae07cb66d2751f6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-17T04:23:18.096696Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001921/manifest.jsonobserved 0526647be82caec06496deb9bdb76320...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-17T04:23:18.082894Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001921/publication.mdobserved 708e4b20f130807ae0bc733d36811d55...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-17T04:23:18.024358Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001921/publication.txtobserved e2f3f39a353648e06d04b97a814290b7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-22T12:41:15.429673Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001921observed 36b3952942cc766c3ae07cb66d2751f6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T12:41:15.386693Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001921/manifest.jsonobserved 0526647be82caec06496deb9bdb76320...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T12:41:15.343465Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001921/publication.mdobserved 708e4b20f130807ae0bc733d36811d55...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T12:41:15.217809Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001921/publication.txtobserved e2f3f39a353648e06d04b97a814290b7...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 |
|---|