OT-2026-000030020
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000030020) never changes.
Identity and time
| Publication number | OT-2026-000030020 · never reused |
|---|---|
| Internal UUID | 01a0ae73-ac49-7cee-9f21-6a0859971ff1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:11.501096Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000030020 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4e9192295ad3b56030c141f97b077382a1ae4283624b14ade7d69832052f5e06 |
|---|---|
| Markdown | 0a0f542e689797be1f39fc8a87d0eca61b529047cf502b87a59981bff7e24d75 |
| Publication page | 716d7abc4e860eafd5fe3a583d5b63ceddd3bfa48d44fb4cdd1c4bd7f22ffd9b |
| Manifest | 3809c535682049d01707db249c0841889004d27aa5458b3927a5e47260f9ef33 |
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 | w0UtLhRsXEmlLWM1wtqmwRtwXoec9EKR0oFBhBcWWZCpI3XVo11FhOIMIf8V/kkFKOKI3GanXfqosLsNwPbbDQ== |
| 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
| 2026-09-17T08:41:09.237296Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030020observed 716d7abc4e860eafd5fe3a583d5b63ce...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:41:08.470249Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030020/manifest.jsonobserved 3809c535682049d01707db249c084188...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:41:07.233254Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030020/publication.mdobserved 0a0f542e689797be1f39fc8a87d0eca6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:41:06.060745Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030020/publication.txtobserved 4e9192295ad3b56030c141f97b077382...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
| Custody package | Pending Custody packages are produced weekly. |
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