OT-2026-000001671
Publication integrity record
Industrial borescope system with adjustable stiffness insertion tube
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-2026-000001671) never changes.
Identity and time
| Publication number | OT-2026-000001671 · never reused |
|---|---|
| Internal UUID | 01a0a677-9c81-741f-8792-48183cd03b8b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:07:31.841603Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001671 |
| Status | PUBLIC |
Content hashes
| Canonical text | 779c53987d170ee348f1e25f86f005bce9caa6e6a0097baa94f417f56687efea |
|---|---|
| Markdown | dd58c6fecf7b241afaff860ecb963b14caa6d794416b34f23bdb5e75743fed02 |
| Publication page | c57f261d052038c4d62cc6458fe625a9556f6ecf8dc2439ce1e9719768a98691 |
| Manifest | 3e4a960f12557ba90e83251cd9fe859b34ca0bd79666d177c8eb04618f9357ac |
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 | 23qH5I2pWG3OPqi+AgThFQjYUh7Qw80CweEZvw8849yTO2Hat2oLe/Ifb0cfZKgzi+hIbFjf/VP9v4vKdOP7Bg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:27:02Z batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof root 2d7e364e718bd6a32072ec57f9edc195... |
|---|
Independent retrieval
| 2026-09-16T08:44:06.193839Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001671observed c57f261d052038c4d62cc6458fe625a9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:44:05.681263Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001671/manifest.jsonobserved 3e4a960f12557ba90e83251cd9fe859b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:44:05.516729Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001671/publication.mdobserved dd58c6fecf7b241afaff860ecb963b14...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:44:05.162031Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001671/publication.txtobserved 779c53987d170ee348f1e25f86f005bc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:00:15.689614Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001671observed c57f261d052038c4d62cc6458fe625a9...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:00:15.657878Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001671/manifest.jsonobserved 3e4a960f12557ba90e83251cd9fe859b...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:00:15.646175Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001671/publication.txtobserved 779c53987d170ee348f1e25f86f005bc...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 |
|---|