OT-2026-000003759
Publication integrity record
Vacuum cup gripper, three outlet manifold, two stage ejector, pressure verified at each zone
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-2026-000003759) never changes.
Identity and time
| Publication number | OT-2026-000003759 · never reused |
|---|---|
| Internal UUID | 01a0a90a-fa22-763a-9d7f-e496bbcd99ce · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:07:44.037159Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003759 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7af10aaba825e73ef3ffdf276953678f78d1446705ed3ba754e40c5f9a6f159e |
|---|---|
| Markdown | ffaf4d61cd083d7f70f9dbeb77eb32e6201f8f8588b7477257ce0fc502af53f3 |
| Publication page | d8c98c228671ef2e6a8a98b84c63dd630bfde527c2eb498ecb55716e74aa464b |
| Manifest | b89b1b152b3827d0c13fd684aafd0d082e58c60613d7880f40fe8e0abb06554e |
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 | PGbd0UtxClVwYSK0jLDE3Ai7HMV9RAq61ZaA0mdIoFEXyD+wg2pK8fK6mpPSRwG0djYGdfF5WxupWrAqdDVtBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-10-22T12:41:53.638745Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003759observed d8c98c228671ef2e6a8a98b84c63dd63...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-22T12:41:53.570541Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003759/manifest.jsonobserved b89b1b152b3827d0c13fd684aafd0d08...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T12:41:53.499305Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003759/publication.mdobserved ffaf4d61cd083d7f70f9dbeb77eb32e6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T12:41:53.330290Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003759/publication.txtobserved 7af10aaba825e73ef3ffdf276953678f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:42:51.603806Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003759observed d8c98c228671ef2e6a8a98b84c63dd63...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:42:51.148250Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003759/manifest.jsonobserved b89b1b152b3827d0c13fd684aafd0d08...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:42:50.761349Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003759/publication.mdobserved ffaf4d61cd083d7f70f9dbeb77eb32e6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:42:50.471241Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003759/publication.txtobserved 7af10aaba825e73ef3ffdf276953678f...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 |
|---|