OT-2026-000000436
Publication integrity record
System and method for measuring a bulb diameter of an installed one-sided fastener in a structure
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-2026-000000436) never changes.
Identity and time
| Publication number | OT-2026-000000436 · never reused |
|---|---|
| Internal UUID | 01a0a673-5b01-7054-a6b7-aa0294dd8755 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:02:52.930011Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000000436 |
| Status | PUBLIC |
Content hashes
| Canonical text | 04ea905298f3dddf1d624d340c4bdf529d8aab903ace876741b018c67007d6cc |
|---|---|
| Markdown | 4ea04bcdf22d00d7cab330b8346c983700de03fe0fcd5ccbee23634b7032ff73 |
| Publication page | 41ef21bb32013ce2fe27782876701e6c3547679c1429dc4e2417da35c8a0b467 |
| Manifest | df9d36479c07d74c75a84b088e3fb4a9749eb3ce69f52d01df2279f389bc0a5c |
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 | XDhN7hStKianBA/JQCaVZ0wPy3CvXtyydYwNgkjrTyoSVuShOURKk/4f00bRTBLNRtgDVWvbRAii1lrXz8ObDw== |
| 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... |
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Independent retrieval
| 2026-09-16T04:23:04.026794Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000436observed 41ef21bb32013ce2fe27782876701e6c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T04:23:04.012007Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000436/manifest.jsonobserved df9d36479c07d74c75a84b088e3fb4a9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:23:03.996991Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000436/publication.mdobserved 4ea04bcdf22d00d7cab330b8346c9837...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T04:23:03.982829Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000436/publication.txtobserved 04ea905298f3dddf1d624d340c4bdf52...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:50:10.005595Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000436observed 41ef21bb32013ce2fe27782876701e6c...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:50:09.854323Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000436/manifest.jsonobserved df9d36479c07d74c75a84b088e3fb4a9...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:50:09.840965Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000000436/publication.txtobserved 04ea905298f3dddf1d624d340c4bdf52...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 |
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