OT-2026-000002019
Publication integrity record
Alignment of singulated workpieces
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-2026-000002019) never changes.
Identity and time
| Publication number | OT-2026-000002019 · never reused |
|---|---|
| Internal UUID | 01a0a67a-16b0-78db-bf81-51fbab80cb32 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:10:14.193192Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000002019 |
| Status | PUBLIC |
Content hashes
| Canonical text | b9455813244cc0d6fe68e92f11c0d439c6d91011638e91e48e1e0b7694b3553c |
|---|---|
| Markdown | d8a74932341e71e40ede296c843ab77f2a19164fdb8a46947b4eea847e8714a1 |
| Publication page | 2fe043acc31a79bb5924a20782b6ca67457f49c5a8762f931b6dc682a03a91c8 |
| Manifest | 6610b7856c83baadb37b0f1e37a21d8ba1d8171ec2c3b17ccef90823f3c2df0d |
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 | Gm3c93R7l+fVuGEYdk3cJFc5Dl5spmxujsH2VxTAcPuNAmA3djlmehh9Pn0b3dh9DBtg0buaw5mXpJVzme28AQ== |
| 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
| 2026-09-21T00:42:55.436550Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002019observed 2fe043acc31a79bb5924a20782b6ca67...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-21T00:42:55.097775Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002019/manifest.jsonobserved 6610b7856c83baadb37b0f1e37a21d8b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T00:42:54.754958Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002019/publication.mdobserved d8a74932341e71e40ede296c843ab77f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T00:42:54.245701Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002019/publication.txtobserved b9455813244cc0d6fe68e92f11c0d439...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:50:34.382121Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002019observed 2fe043acc31a79bb5924a20782b6ca67...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:50:34.353172Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002019/manifest.jsonobserved 6610b7856c83baadb37b0f1e37a21d8b...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:50:34.338732Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000002019/publication.txtobserved b9455813244cc0d6fe68e92f11c0d439...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 |
|---|