OT-2026-000042465
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off after set-down, on a tool changer
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-2026-000042465) never changes.
Identity and time
| Publication number | OT-2026-000042465 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0cc-7ea1-9277-de2f98b00463 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042465 |
| Status | PUBLIC |
Content hashes
| Canonical text | 74a3ce1724b91d661d125ba2a34a23f2daf1b2e0ffaf523fa2ce9896d19c855c |
|---|---|
| Markdown | f8024ff74d112f7044c7f9d3a6342b9a154626b17cf6d3038ab3c78187238929 |
| Publication page | f98c8954d1b24520e0a870ab279e6cf6d689f4117affb5462de122d79396c010 |
| Manifest | 160b23087f4097e8f9810cfd4ab1815128aa63439c0262d0d414065dce5d4652 |
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 | zLHyMhO4LQ4ExL0RfeV/+3yJBNEPU9L+V0bYCM3drKd6U/JQ7mfxDhl1JO3HX20065OGPYEUTkWbtVt1GL4MCQ== |
| 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
| 2026-10-18T00:41:51.430858Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042465observed f98c8954d1b24520e0a870ab279e6cf6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-18T00:41:51.382566Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042465/manifest.jsonobserved 160b23087f4097e8f9810cfd4ab18151...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T00:41:51.287993Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042465/publication.mdobserved f8024ff74d112f7044c7f9d3a6342b9a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T00:41:51.099460Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042465/publication.txtobserved 74a3ce1724b91d661d125ba2a34a23f2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T12:41:47.082366Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042465observed f98c8954d1b24520e0a870ab279e6cf6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T12:41:47.025811Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042465/manifest.jsonobserved 160b23087f4097e8f9810cfd4ab18151...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T12:41:46.970405Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042465/publication.mdobserved f8024ff74d112f7044c7f9d3a6342b9a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T12:41:46.907564Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042465/publication.txtobserved 74a3ce1724b91d661d125ba2a34a23f2...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 |
|---|