OT-2026-000052543
Publication integrity record
Two cup vacuum gripper, two zone face, single 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-2026-000052543) never changes.
Identity and time
| Publication number | OT-2026-000052543 · never reused |
|---|---|
| Internal UUID | 01a0ae84-573b-7444-bbfb-18adb614f528 · 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-2026-000052543 |
| Status | PUBLIC |
Content hashes
| Canonical text | 890c8bab9c60096324c1a31434435e9bd56958539b2613f896b7c1d39a122c5b |
|---|---|
| Markdown | 655eb83a7e61bf28a2b762e80e78de1e909c097f461b8394038b76fa0e70197e |
| Publication page | e4e83b4b335b0003ae18d898b462e58a9c729ed4d87aa021e5e592cc9130402d |
| Manifest | a729d39aa5fbcce9ec96df554a57493cae451918e738faf72efb7b87e23a5306 |
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 | 5yuh13DgQCpzwLmX3NR2e3Q8kUS9Xp/yMzl75H41iARuV5splCCcEzL4g6WV5YF+PP9iz50lkjIiUifo4bRSDg== |
| 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
| 2026-09-17T10:57:11.635185Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052543observed e4e83b4b335b0003ae18d898b462e58a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:11.618468Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052543/manifest.jsonobserved a729d39aa5fbcce9ec96df554a57493c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:11.600645Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052543/publication.mdobserved 655eb83a7e61bf28a2b762e80e78de1e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:11.582764Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052543/publication.txtobserved 890c8bab9c60096324c1a31434435e9b...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. |
|---|