OT-2026-000019867
Publication integrity record
Foam pad vacuum gripper, three zone face, pump fed, pulsed blow-off before set-down
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-2026-000019867) never changes.
Identity and time
| Publication number | OT-2026-000019867 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb6-7bd5-ac0a-3a4e4fed7284 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019867 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5c0a2479ae31e6916bd9a429d7826d68c79d07c5965dfeb035a3f0e16f4524e9 |
|---|---|
| Markdown | 34a7f8bd296026423b45a23625cc7be2a95ed688f359bb83fbb3cd46cf194324 |
| Publication page | eae77c58f514475c929c314e0ad31e076236dc20f1ff3e36b00cd993224613ab |
| Manifest | 64a7927907987d412d6e030d745756984d9bed4215dc7cb2d0cc37561c8e6447 |
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 | Zcq1VkVWtJh3okg8q+Ha9jnK3IYQAIL8vYA6V4/NN9j5Dt1W2YkWG3Ov/A/dZbxE+kzAg3W56t28e8kZ8IxbBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-10-04T04:42:01.057846Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019867observed eae77c58f514475c929c314e0ad31e07...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-04T04:42:00.936848Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019867/manifest.jsonobserved 64a7927907987d412d6e030d74575698...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T04:42:00.863805Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019867/publication.mdobserved 34a7f8bd296026423b45a23625cc7be2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T04:42:00.726872Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019867/publication.txtobserved 5c0a2479ae31e6916bd9a429d7826d68...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T04:41:25.604944Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019867observed eae77c58f514475c929c314e0ad31e07...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T04:41:25.512794Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019867/manifest.jsonobserved 64a7927907987d412d6e030d74575698...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T04:41:25.443045Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019867/publication.mdobserved 34a7f8bd296026423b45a23625cc7be2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T04:41:25.360139Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019867/publication.txtobserved 5c0a2479ae31e6916bd9a429d7826d68...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 |
|---|