OT-2026-000052439
Publication integrity record
Foam pad vacuum gripper, four 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-2026-000052439) never changes.
Identity and time
| Publication number | OT-2026-000052439 · never reused |
|---|---|
| Internal UUID | 01a0ae84-5739-76d0-b843-d79d29edde2b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:23.819394Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052439 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1687a816be11366196cbf3697cb667f2d676f05f7a74566a3225d881d109fced |
|---|---|
| Markdown | 55cf69cdcb646fc6f0d00279f4c5c479962f60accbe6f581f71106eaac691eb1 |
| Publication page | 8ca6ccb487e7f02600a7d14bc3ce0626b3c04f179446d2d4599f3526c730b85b |
| Manifest | fa044dabc1f95724fee275adb76652f82748fb9e1fd95dba4dc03ebf9cd7e079 |
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 | 9BweFuHs4zcRxQOze18pVhRuSDsZ+S7d7LnSOAKBxJmUsgPGNM5Cn4WTx8h7H1OOfQ/5KJJjXFaodnlBK2n5Aw== |
| 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
| 2026-09-17T10:57:03.560963Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052439observed 8ca6ccb487e7f02600a7d14bc3ce0626...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:03.543336Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052439/manifest.jsonobserved fa044dabc1f95724fee275adb76652f8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:03.525892Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052439/publication.mdobserved 55cf69cdcb646fc6f0d00279f4c5c479...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:03.509833Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052439/publication.txtobserved 1687a816be11366196cbf3697cb667f2...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. |
|---|