OT-2026-000003376
Publication integrity record
Flexible drilling motor coupling
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-2026-000003376) never changes.
Identity and time
| Publication number | OT-2026-000003376 · never reused |
|---|---|
| Internal UUID | 01a0a6b8-8a86-78c4-bce8-0d80146700a4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T20:18:27.078492Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003376 |
| Status | PUBLIC |
Content hashes
| Canonical text | ade13eacaf436ce93cdb08f3cb53248e5268ba5e0a5e895a7319236b42a948ca |
|---|---|
| Markdown | 74557d46ae206cb7036f3b9a1b078a7802a46a276774a9f5f4bb738a190676d3 |
| Publication page | a0f547e04955c1e449954433f1562e3ba78d8043623e79f27ad2d4e4dfb92f03 |
| Manifest | 38614954796e53c8b012155247a824a2b559c1dd5f00e4ae756f8567ce5adfb9 |
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 | EKbEEaIFel7T2befJB7hXqvVgTg1s+rQ9FuYi24R1ciJHV7K/02M8RexeFq6KdfGqVIVk2icM2BHs4RPR+vFBQ== |
| 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
| 2026-09-15T20:20:03.585797Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003376observed a0f547e04955c1e449954433f1562e3b...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:20:03.554400Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003376/manifest.jsonobserved 38614954796e53c8b012155247a824a2...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:20:03.541494Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003376/publication.txtobserved ade13eacaf436ce93cdb08f3cb53248e...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 |
|---|