OT-2026-000020407
Publication integrity record
Two cup vacuum gripper, two zone face, per zone isolation, two 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-2026-000020407) never changes.
Identity and time
| Publication number | OT-2026-000020407 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437b-7840-9461-9a48c6ba8ffd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020407 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6e85c33bdea5f7878ae2aaad9bae169c8599b86c272e435d4a6c706346ea9a8a |
|---|---|
| Markdown | fc9ad30a07fd9be9ed662f70bb6935ed2f6364e5ac315869c5aa26aa83fda28e |
| Publication page | 5b385e947274802537239bba97bfdccb147f8c8e557624ee87d322a07657e561 |
| Manifest | d9eb1e3e7b083af8f08159ac4e222015bc38f8e9341d6db2e5334ea160138bdd |
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 | eWReUvs473KIBRbIXa6Pc56CVk/HWVb9iVpT9XDRrSywu0Ndhb+kaM3BqQijEjgdRI6/TtT02OFavhhc4Rk2Bg== |
| 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
| 2026-10-27T04:41:06.225482Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020407observed 5b385e947274802537239bba97bfdccb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-27T04:41:06.152361Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020407/manifest.jsonobserved d9eb1e3e7b083af8f08159ac4e222015...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T04:41:06.074526Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020407/publication.mdobserved fc9ad30a07fd9be9ed662f70bb6935ed...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T04:41:05.987031Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020407/publication.txtobserved 6e85c33bdea5f7878ae2aaad9bae169c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T04:23:25.640637Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020407observed 5b385e947274802537239bba97bfdccb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-24T04:23:25.616529Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020407/manifest.jsonobserved d9eb1e3e7b083af8f08159ac4e222015...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-24T04:23:25.599716Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020407/publication.mdobserved fc9ad30a07fd9be9ed662f70bb6935ed...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-24T04:23:25.574679Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020407/publication.txtobserved 6e85c33bdea5f7878ae2aaad9bae169c...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 |
|---|