OT-2026-000003343
Publication integrity record
Pneumatic apparatus for lifting and lowering
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-2026-000003343) never changes.
Identity and time
| Publication number | OT-2026-000003343 · never reused |
|---|---|
| Internal UUID | 01a0a6b3-8a1b-722b-b9de-64dcd2105271 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T20:12:59.292138Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003343 |
| Status | PUBLIC |
Content hashes
| Canonical text | 127571b055b4a3cd3cd3407d64d4d6b93a608900aaf15f8b9013d71206151202 |
|---|---|
| Markdown | 3f2a78530202e50646f982143cea8c1396e7f1f6c929c69741860c5ccc55501f |
| Publication page | 50ebd55cd295d2afa309af1c9594c4b735ee3e648aeae851638b7e8e83415b64 |
| Manifest | b3e1596c5047911c527d7d1db3a9054d279e5c22a9ed5f895fe5448d72cf6379 |
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 | Y8HyLmDqQoSRS+/9pC3bhr/miel/nCYmJsHZ+bXv8TQCZMdkLAYeQXqlTQf0lSsockt8oA+RfyOAPEKwMlPmCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T20:27:02Z batch OT-TS-2026-W38-005 · RFC 3161 token · inclusion proof root 0d980c01ea01b2d7f69845e24a85320c... |
|---|
Independent retrieval
| 2026-09-16T04:43:16.838043Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003343observed 50ebd55cd295d2afa309af1c9594c4b7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T04:43:16.620276Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003343/manifest.jsonobserved b3e1596c5047911c527d7d1db3a9054d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:43:16.488327Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003343/publication.mdobserved 3f2a78530202e50646f982143cea8c13...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:43:16.256460Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003343/publication.txtobserved 127571b055b4a3cd3cd3407d64d4d6b9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:20:07.367395Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003343observed 50ebd55cd295d2afa309af1c9594c4b7...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:20:07.334008Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003343/manifest.jsonobserved b3e1596c5047911c527d7d1db3a9054d...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:20:07.319748Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003343/publication.txtobserved 127571b055b4a3cd3cd3407d64d4d6b9...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 |
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