OT-2026-000050453
Publication integrity record
Three cup vacuum gripper, three outlet manifold, two stage ejector, vented 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-2026-000050453) never changes.
Identity and time
| Publication number | OT-2026-000050453 · never reused |
|---|---|
| Internal UUID | 01a0ae82-5c48-7a30-b8f8-a642b3cae4f2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:36:14.042293Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000050453 |
| Status | PUBLIC |
Content hashes
| Canonical text | b71a84ccd8c3d4091636959438101d2d624c01fdbad3e67a4ad71535996ebc7f |
|---|---|
| Markdown | 742e5bd3461a7538640fef3d1061c3c0fd8729d1f20f3357dc834f88c4fca24a |
| Publication page | f5934c8f370191b3fb33cf4654e8d83d9b0f425a5d3981cc8421b6c9e6ba5aef |
| Manifest | b81475b0a738f7ee6c3159e8a08e1dc08fe98f7b03e1f39701e6e925cd323051 |
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 | gaJBMHA58pR6i0WeWDzVGsZdNnye4sIca/VmdoTAuwyUJcoRVb1LM5bA2wEQYcmdp/8DxH33FQvTL1N0hdVTBg== |
| 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
| 2026-11-01T16:41:42.316084Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050453observed f5934c8f370191b3fb33cf4654e8d83d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-01T16:41:42.249917Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050453/manifest.jsonobserved b81475b0a738f7ee6c3159e8a08e1dc0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T16:41:42.185011Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050453/publication.mdobserved 742e5bd3461a7538640fef3d1061c3c0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T16:41:42.106806Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050453/publication.txtobserved b71a84ccd8c3d4091636959438101d2d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T04:23:38.579970Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050453observed f5934c8f370191b3fb33cf4654e8d83d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-26T04:23:38.564736Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050453/manifest.jsonobserved b81475b0a738f7ee6c3159e8a08e1dc0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-26T04:23:38.549172Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050453/publication.mdobserved 742e5bd3461a7538640fef3d1061c3c0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-26T04:23:38.527150Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050453/publication.txtobserved b71a84ccd8c3d4091636959438101d2d...fetched by instance-3.rotem.ai from 34.69.0.72, 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 |
|---|