OT-2026-000001207
Publication integrity record
Depth setting bit drivers, systems and related methods
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-2026-000001207) never changes.
Identity and time
| Publication number | OT-2026-000001207 · never reused |
|---|---|
| Internal UUID | 01a0a674-7fb6-7ee3-b031-9a36b174051c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:04:07.862830Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001207 |
| Status | PUBLIC |
Content hashes
| Canonical text | 90ab7e162d002a69a561e5971c1a0947c3a4b065a5ba90c75420f17e2eb8daf9 |
|---|---|
| Markdown | 41209066739ef49b5825c1820b9ac82b1d0807c779ef4ad4cbcb57f233a74384 |
| Publication page | 5ec2193dc71dbe3ed1e2be8efa87531ac909c631414f9d01249a6513e0b80265 |
| Manifest | 5b0e6222f6c526ce02d16b65ab047a3c9df728974a2d33e80e8ebd731eb1678c |
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 | SmeyeoTiKcWiSf3Hq2CRQZW97dDCsPgtqpNitWo7byXYZKI3n5mxSVIKUyDWBuA4ZK142Z7GrFbrM5z309bUCg== |
| 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
| 2026-09-15T20:20:11.639373Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001207observed 5ec2193dc71dbe3ed1e2be8efa87531a...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:20:11.610535Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001207/manifest.jsonobserved 5b0e6222f6c526ce02d16b65ab047a3c...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:20:11.597265Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001207/publication.txtobserved 90ab7e162d002a69a561e5971c1a0947...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 |
|---|