OT-2026-000021947
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000021947) never changes.
Identity and time
| Publication number | OT-2026-000021947 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-71f7-9213-e56f5db9ebce · 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-2026-000021947 |
| Status | PUBLIC |
Content hashes
| Canonical text | 824e358e6e1721ecb2eb38b84a5aa76eeba3826cbcabb627cd23d11aa7710400 |
|---|---|
| Markdown | 5d8b4f77ac3b2e8ff26b4485e45f7123c6d9be70d1924d9facc2582ebcdb06ad |
| Publication page | 9b08bb029723d68a83e129dffdf612544ed868e9a74c9d3c6983935daae5dd45 |
| Manifest | 4f3218d41bd2724b92914508cd6a5a5bd71b2c6b4f07720d9323e83d4a623c5f |
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 | e8tR4YVZW1eW5osngx2a/H4UViJcGG9jgLQZq5oV2+Odyr1C5uFR7eZJTMwKaNBYvYxeknv/V1bEJbh4JzOBAw== |
| 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
| 2026-09-17T11:54:36.770882Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021947observed 9b08bb029723d68a83e129dffdf61254...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:36.753456Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021947/manifest.jsonobserved 4f3218d41bd2724b92914508cd6a5a5b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:36.736409Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021947/publication.mdobserved 5d8b4f77ac3b2e8ff26b4485e45f7123...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:36.718656Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021947/publication.txtobserved 824e358e6e1721ecb2eb38b84a5aa76e...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. |
|---|