OT-2026-000052020
Publication integrity record
Six bellows cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000052020) never changes.
Identity and time
| Publication number | OT-2026-000052020 · never reused |
|---|---|
| Internal UUID | 01a0ae83-e78e-74dd-b2d4-8474c83d34c5 · 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-2026-000052020 |
| Status | PUBLIC |
Content hashes
| Canonical text | c6b2f34c523142d4cd0fd17b38aa88b2f127e8ec06ed3f6dc8ee5e1c0e0f0b3c |
|---|---|
| Markdown | c6dbd94423f7f1d78ddb686a1211286fe559580e25c75489d99588e302122dbe |
| Publication page | 0d1178e58283dc7146be0bc9c3359cefb0b09d4d97fc21a714df77433a730fba |
| Manifest | c8bc554c0bdc284a7993ef12855a20d7f4d70b7d1f6dcd1769ec336015dc767c |
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 | Nds18JFw4/c4Occ/CrRrWFOeoqJJdSH7r0u93LFfmg9YLv2l0VWFkB9MdX8KTEqfoh1M3BB9A8e4QgQq5dOxCg== |
| 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
| 2026-09-17T10:57:31.872103Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052020observed 0d1178e58283dc7146be0bc9c3359cef...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:31.855047Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052020/manifest.jsonobserved c8bc554c0bdc284a7993ef12855a20d7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:31.838476Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052020/publication.mdobserved c6dbd94423f7f1d78ddb686a1211286f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:31.820968Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052020/publication.txtobserved c6b2f34c523142d4cd0fd17b38aa88b2...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. |
|---|