OT-2026-000002571
Publication integrity record
Multi-layer ceramic plate device
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-2026-000002571) never changes.
Identity and time
| Publication number | OT-2026-000002571 · never reused |
|---|---|
| Internal UUID | 01a0a67d-76d9-74c8-8484-1b45de887c01 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:13:55.417984Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002571 |
| Status | PUBLIC |
Content hashes
| Canonical text | 86c686e1172e9fd06e31290da4e64bee0cc16b520684a8302ca56b0c81f3b1c7 |
|---|---|
| Markdown | 6c1dbc9e3131fccd5d25822e1ad52db908a21e1d800c574317d2d41f64329841 |
| Publication page | 587e13494b45c1387f97da02fd8e45b7852d43c7350bfa35658f5398a5a021c8 |
| Manifest | e4b2d63e8536d8730e7ad42b1d15c9dd4ad1d4e07098e58fb9b36eeda83c58d4 |
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 | SEB5YutlOauORDqFbZxXpZC4HRfSAyfg3gsQqrcbRo/kbDFztLKt5VWR+ePkkTgii6SvVp3agokyAvlidZPHCw== |
| 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
| 2026-09-22T20:41:28.219151Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002571observed 587e13494b45c1387f97da02fd8e45b7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-22T20:41:28.140857Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002571/manifest.jsonobserved e4b2d63e8536d8730e7ad42b1d15c9dd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T20:41:28.066077Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002571/publication.mdobserved 6c1dbc9e3131fccd5d25822e1ad52db9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T20:41:27.972675Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002571/publication.txtobserved 86c686e1172e9fd06e31290da4e64bee...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:30.668902Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002571observed 587e13494b45c1387f97da02fd8e45b7...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:30.631415Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002571/manifest.jsonobserved e4b2d63e8536d8730e7ad42b1d15c9dd...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:30:30.617460Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002571/publication.txtobserved 86c686e1172e9fd06e31290da4e64bee...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 |
|---|