OT-2026-000003026
Publication integrity record
End effector, flaw detection system, and method for inspecting inspection target
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-2026-000003026) never changes.
Identity and time
| Publication number | OT-2026-000003026 · never reused |
|---|---|
| Internal UUID | 01a0a680-2064-7e8e-a92d-0b2dbb3fbd39 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:16:49.892573Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003026 |
| Status | PUBLIC |
Content hashes
| Canonical text | 015ca1278244ac048dc9c4a9b7d3306bfd87088093307be3654f5f83a09a7426 |
|---|---|
| Markdown | a031592b9abb81dfb5da5968fdf78bcef66e53c4600af8ff115b8fc5b3bf1706 |
| Publication page | 8f21ca8d3394e7b6f23161c883416ab206e11bb3c210dbde0bc204dfd0fd5996 |
| Manifest | 85069a902c9378d5c557b50385756e9194ab83d9afa2de5f248b722fdc4a7b52 |
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 | 3qNvws9GYnDJpZpm4t2y7m9ES0/l+QRvJmREN/mRWeYHwKrn8gDyjvHS/PzEhRONp8r8/SorGZFaIBp9JGSrAg== |
| 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
| 2026-09-16T20:42:57.147635Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003026observed 8f21ca8d3394e7b6f23161c883416ab2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T20:42:56.725100Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003026/manifest.jsonobserved 85069a902c9378d5c557b50385756e91...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:42:56.343052Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003026/publication.mdobserved a031592b9abb81dfb5da5968fdf78bce...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:42:55.835635Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003026/publication.txtobserved 015ca1278244ac048dc9c4a9b7d3306b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T16:41:16.924951Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003026observed 8f21ca8d3394e7b6f23161c883416ab2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T16:41:16.794026Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003026/manifest.jsonobserved 85069a902c9378d5c557b50385756e91...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T16:41:16.640739Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003026/publication.mdobserved a031592b9abb81dfb5da5968fdf78bce...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T16:41:16.328192Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003026/publication.txtobserved 015ca1278244ac048dc9c4a9b7d3306b...fetched by grabo-systems from 34.44.131.203, 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 |
|---|