OT-2026-000024171
Publication integrity record
Two cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, pulsed blow-off before 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-2026-000024171) never changes.
Identity and time
| Publication number | OT-2026-000024171 · never reused |
|---|---|
| Internal UUID | 01a0ae70-e8c7-7aab-b9b4-a48bee99cf72 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:17:10.360874Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000024171 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1c02e4eab03ee1e13c17e8a4c0dbb68246e5ab650cab22becebc69bcafa170a3 |
|---|---|
| Markdown | 3afcdfc6fb9ad69e8fd6f3348f5244c7b18e0a9232256400e4039ec970bac074 |
| Publication page | bff1822707df728475ed9ac3a4f0b59df8a9efa503cc1aa44d4b0ab1acedeac8 |
| Manifest | a4ea61ae7f49f1f893b91f96b7e6ba667bd2c9474609f2032b05173eb02234ee |
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 | Vu+Wg/9WupbNjS4AD5/ljXPg5gYg+ayuLSsB62/Z+yvSoP911+Cq1iIOxuKVceZJ2YwxNuGjgr3G8xHr75/PBA== |
| 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
| 2026-09-28T12:41:52.772485Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000024171observed bff1822707df728475ed9ac3a4f0b59d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-28T12:41:52.643031Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000024171/manifest.jsonobserved a4ea61ae7f49f1f893b91f96b7e6ba66...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T12:41:52.575502Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000024171/publication.mdobserved 3afcdfc6fb9ad69e8fd6f3348f5244c7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T12:41:52.405487Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000024171/publication.txtobserved 1c02e4eab03ee1e13c17e8a4c0dbb682...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T12:42:04.806368Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000024171observed bff1822707df728475ed9ac3a4f0b59d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T12:42:04.604071Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000024171/manifest.jsonobserved a4ea61ae7f49f1f893b91f96b7e6ba66...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T12:42:04.124096Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000024171/publication.mdobserved 3afcdfc6fb9ad69e8fd6f3348f5244c7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T12:42:03.518279Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000024171/publication.txtobserved 1c02e4eab03ee1e13c17e8a4c0dbb682...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 |
|---|