OT-2026-000055487
Publication integrity record
Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, 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-2026-000055487) never changes.
Identity and time
| Publication number | OT-2026-000055487 · never reused |
|---|---|
| Internal UUID | 01a0ae86-a102-770d-8050-03dbbed57250 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:53.783868Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000055487 |
| Status | PUBLIC |
Content hashes
| Canonical text | 664cbfaa8bd42301d4002fb1a2473e2625a91438dd9d31f81ee6f49ad3bbd56a |
|---|---|
| Markdown | 6ffe53ffdc0d934d358f49435af2105f89632b576127ec2e41abdd364a23d4fe |
| Publication page | 842267d851e5cb50622921c67fca87c2e42c480ce369074e0e862ebf4942ca4a |
| Manifest | af6baf8132f46b1a02621312eb0cfa07a6f3264ea7a71945fd809ba69deeb07e |
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 | UGki8MVJGX4C+EmQSOXgHuitTS7kYH8XAsQHP1e+k8dumHC5w5YL2AF8qc0Vev3JBm2knO8FFI8b5XbUqY+1Bg== |
| 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
| 2026-09-17T10:52:09.232898Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055487observed 842267d851e5cb50622921c67fca87c2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:52:09.213619Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055487/manifest.jsonobserved af6baf8132f46b1a02621312eb0cfa07...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:52:09.196794Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055487/publication.mdobserved 6ffe53ffdc0d934d358f49435af2105f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:52:09.177316Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055487/publication.txtobserved 664cbfaa8bd42301d4002fb1a2473e26...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. |
|---|