OT-2026-000021844
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000021844) never changes.
Identity and time
| Publication number | OT-2026-000021844 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-7e8d-82c4-19dd30e39581 · 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-2026-000021844 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6464e9214839b41605b6e4b7c7b1250bf4840ef2aadd4353a9740ded46ac8f83 |
|---|---|
| Markdown | c7649f95ec13a91c8669717e589135352c981caae9a61039662d4b734d1a3b96 |
| Publication page | 093e54c248c5024cb0a386aea302f8a1745133d3cd43f2994b2a0bfff84ab512 |
| Manifest | d427713586c27c31a7ce8a65fa9aa03dc58bf06156ca3e3ffe23f6fe995c79fa |
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 | bACnACi9+nSPe8Jdp8K3xkmMJCQWIlmVODti1MxUZvCRqyM6f4GMYw5j+hUKP4xYyBy3M+uhbmdPK1mpiYLmBw== |
| 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
| 2026-09-17T11:54:24.223158Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021844observed 093e54c248c5024cb0a386aea302f8a1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:24.205082Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021844/manifest.jsonobserved d427713586c27c31a7ce8a65fa9aa03d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:24.187329Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021844/publication.mdobserved c7649f95ec13a91c8669717e58913535...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:24.168180Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021844/publication.txtobserved 6464e9214839b41605b6e4b7c7b1250b...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. |
|---|