OT-2026-000021905
Publication integrity record
Three cup vacuum gripper, three outlet manifold, pump fed, sustained 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-2026-000021905) never changes.
Identity and time
| Publication number | OT-2026-000021905 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-789c-bba4-64f664a98c8b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021905 |
| Status | PUBLIC |
Content hashes
| Canonical text | b60fbd7bf0cbfdffb6e73fdbd2040c6979524f13aa10ec654bdc35838b5b04c8 |
|---|---|
| Markdown | 65581875a37ed571cbea88a903cef0a195d3207c524e94896fcf7d45dada2343 |
| Publication page | a56ff10dce2261de1d126b651e13f966f4db1a14c2d28b5d00371afdc19c9c5e |
| Manifest | fe5990d660f80e62a3ab4b51e3f0fee2d0bd07e92494b87a4641f036a903ef79 |
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 | ARPcQvy8ln8m0Zz+TD5Yi5XWpLCgzx5gXSqhoG7iNcEOGbAZNZCbNu/4tNDzieJyXjLk9dBQYJWq2cLHQKsbCw== |
| 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
| 2026-09-17T11:54:28.551269Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021905observed a56ff10dce2261de1d126b651e13f966...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:28.535464Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021905/manifest.jsonobserved fe5990d660f80e62a3ab4b51e3f0fee2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:28.517952Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021905/publication.mdobserved 65581875a37ed571cbea88a903cef0a1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:28.502124Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021905/publication.txtobserved b60fbd7bf0cbfdffb6e73fdbd2040c69...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
| Custody package | Pending Custody packages are produced weekly. |
|---|