OT-2026-000052971
Publication integrity record
Three bellows cup vacuum gripper, three zone face, 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-2026-000052971) never changes.
Identity and time
| Publication number | OT-2026-000052971 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a430-783a-babe-7186c955e634 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:43.524202Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052971 |
| Status | PUBLIC |
Content hashes
| Canonical text | 720867868301938d3c0a88c783ccafcfeaeb0ad351f5653d32e14c7fb442aaa1 |
|---|---|
| Markdown | 630d6418943d3401c794f8c0874dec3836ccd7d28b044c61bb54822c9bc6375e |
| Publication page | 0822fe8763ffa2e2190603e8c21d4486f9628376f3f0ca02ec98103020427ca9 |
| Manifest | 338787d5d563104a6709ab0bf11ec67d95a28de8dbd441bdbd92452b90381b70 |
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 | eeC0d+kke7q5vLJ3fkgzAbpw8+L0wt2tAh93sfuhCLnq4vyAO4qsFLtjkB53viP/8nBajz3ZMczdlnkaKL91Aw== |
| 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
| 2026-09-17T10:56:39.451748Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052971observed 0822fe8763ffa2e2190603e8c21d4486...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:56:39.433298Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052971/manifest.jsonobserved 338787d5d563104a6709ab0bf11ec67d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:39.414369Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052971/publication.mdobserved 630d6418943d3401c794f8c0874dec38...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:39.395025Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052971/publication.txtobserved 720867868301938d3c0a88c783ccafcf...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. |
|---|