OT-2026-000003386
Publication integrity record
Operation safety device for a portable power tool
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-2026-000003386) never changes.
Identity and time
| Publication number | OT-2026-000003386 · never reused |
|---|---|
| Internal UUID | 01a0a6b9-d9bc-7f90-898b-53cb8d13050a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T20:19:52.893330Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003386 |
| Status | PUBLIC |
Content hashes
| Canonical text | d4dc31e9929cb8f9283c286f8e54406aebc64e279446d096de31696762cc2648 |
|---|---|
| Markdown | 2a62a4cdc36694b327f29655d281975fccbe972ff976ac215fba594d391fd6ea |
| Publication page | a3a232ef3609e02494aad5c74fdc6cc819ea3a964e9dd5c7e5d71b43c508eb22 |
| Manifest | 3a181ec869fcaa0151d96fabc7695e854514f5c72b2f1ac4b526ac1cb089bc45 |
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 | UMXcBsC1jGVH/NO3Md9g9kSYfdbIt9R0DwhrURVBlVlzAAt0HAg/AZi4B25IyUWt3Fe5BwWx7v7k/pDADvOFDg== |
| 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
| 2026-09-15T20:20:02.586961Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003386observed a3a232ef3609e02494aad5c74fdc6cc8...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:20:02.424494Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003386/manifest.jsonobserved 3a181ec869fcaa0151d96fabc7695e85...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:20:02.411858Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003386/publication.txtobserved d4dc31e9929cb8f9283c286f8e54406a...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 |
|---|