OT-2026-000052019
Publication integrity record
Foam pad vacuum gripper, three zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000052019) never changes.
Identity and time
| Publication number | OT-2026-000052019 · never reused |
|---|---|
| Internal UUID | 01a0ae83-e78e-7477-9763-f3013c20c958 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:37:55.233643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052019 |
| Status | PUBLIC |
Content hashes
| Canonical text | 794422bb61fb90d4f40b46cd39c28c44c8142c3791a6a2c6e05d6ba265608b6a |
|---|---|
| Markdown | d361553eb22965040b4dab8754bbbd79a73afac6ffc19ffac0785cb33b9b5e40 |
| Publication page | d82f55e8509cc43d13fcbac6a6a077526747c886926f53d9e76b8e479b165779 |
| Manifest | ec195ab898b9e98fe1cd827630569d5edd841440ece465359da37775b4211ea7 |
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 | 7wEsQM2c1hEtOhMhekPoL3g6cPJhxuMZ+Evp9bYRF4tgePrYc0xmUvvEmyidhwqziGVXlJH7mc3mi0HYpvAHAQ== |
| 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
| 2026-09-17T10:57:31.801099Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052019observed d82f55e8509cc43d13fcbac6a6a07752...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:31.782573Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052019/manifest.jsonobserved ec195ab898b9e98fe1cd827630569d5e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:31.765546Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052019/publication.mdobserved d361553eb22965040b4dab8754bbbd79...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:31.750058Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052019/publication.txtobserved 794422bb61fb90d4f40b46cd39c28c44...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. |
|---|