OT-2026-000001371
Publication integrity record
Exoskeleton for supporting the back of a user
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-2026-000001371) never changes.
Identity and time
| Publication number | OT-2026-000001371 · never reused |
|---|---|
| Internal UUID | 01a0a675-b070-7dae-9179-880d7cb973bc · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:05:25.872766Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001371 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5f8e2a4f94032c7b4fe151410f0d4d774a1148859e291f68cc3919666df981dd |
|---|---|
| Markdown | 3e427fb1900a8355459d1cf47a3aa78a297c2a4801439cc283c48f2ca48e92ec |
| Publication page | b0ca7ee7d9cf0053566062ca79484b8505e3cf786ff3bdb7c93e857c23ba26e9 |
| Manifest | f6ba4941ffe4c75efc739c05ee745fe29eaace9f159b709f01bb2987b978014b |
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 | l8vaS0BlFJTGi9KMBthMxnmP+bigpCzbzWq+h4s3QLBkD+LoSgIl1GXJrWO7Gvolv3gWzXv22/XPgtDEEKm6Bw== |
| 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
| 2026-09-15T20:10:24.219118Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001371observed b0ca7ee7d9cf0053566062ca79484b85...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:10:24.059540Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001371/manifest.jsonobserved f6ba4941ffe4c75efc739c05ee745fe2...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:10:24.045568Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001371/publication.txtobserved 5f8e2a4f94032c7b4fe151410f0d4d77...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 |
|---|