OT-2026-000056020
Publication integrity record
Single bellows cup vacuum gripper, three stage ejector, sustained blow-off after 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-2026-000056020) never changes.
Identity and time
| Publication number | OT-2026-000056020 · never reused |
|---|---|
| Internal UUID | 01a0ae87-0a4a-7b39-97b1-06351c8f6d7b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:20.734835Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056020 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7140006f16694d5221bf55c9a6c34e5b1a69e30aeeeb6f9e6f81180fb19427c9 |
|---|---|
| Markdown | 86d6b48ceb71568fb5642489a667d927fb20a3fbc6821888de93b697f3e4bd15 |
| Publication page | 3ac12dd9d6e0a106c6f923f4672b326fd0a290d006c1c2a6a97903f2f752b5cc |
| Manifest | fc118f02017823030e10bce414d02a3193d0a82e4574b70e58a172b2f8183998 |
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 | dydlpXf7dt0iab99fICS1CNFG7PIkQOoAYzPfWPvmD7GwZeNwXKMmS2yJky8WTYx+3huZUpymwUW+65h1nMtBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:51:32.892480Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056020observed 3ac12dd9d6e0a106c6f923f4672b326f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:51:32.875599Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056020/manifest.jsonobserved fc118f02017823030e10bce414d02a31...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:32.857667Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056020/publication.mdobserved 86d6b48ceb71568fb5642489a667d927...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:32.838157Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056020/publication.txtobserved 7140006f16694d5221bf55c9a6c34e5b...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. |
|---|