OT-2026-000055980
Publication integrity record
Single bellows cup vacuum gripper, two stage ejector, sustained 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-2026-000055980) never changes.
Identity and time
| Publication number | OT-2026-000055980 · never reused |
|---|---|
| Internal UUID | 01a0ae87-0a4a-7a50-9163-80cb69885820 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:20.734835Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000055980 |
| Status | PUBLIC |
Content hashes
| Canonical text | a414b40782e4b5b5c869c3e2e6a56b861aa8b5857176a7aa596e7010edd20f79 |
|---|---|
| Markdown | f3d8499892c1eb2645d58fe626c9dfe2832e88e3d2f9aea3ab12c6955bc61f0a |
| Publication page | 50b9ae0120f6dee96d880a493da74c359073d8f2544627d0c58df47aa0f43c51 |
| Manifest | 3992d7d5a23700de235d21ba60918829f3681d3bea8013dcb5f603d5e592c39f |
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 | BP8VC4r6VsR+2hj4ETLZXBBCBogdnFm4x+1kQtW5VPfp+rTQVVuj0xSZ7Frcs3Q62WGCF1GRGOS7A1Zwz+iqDA== |
| 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
| 2026-09-17T10:51:26.290062Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055980observed 50b9ae0120f6dee96d880a493da74c35...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:51:26.273074Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055980/manifest.jsonobserved 3992d7d5a23700de235d21ba60918829...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:26.256318Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055980/publication.mdobserved f3d8499892c1eb2645d58fe626c9dfe2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:26.239242Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055980/publication.txtobserved a414b40782e4b5b5c869c3e2e6a56b86...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. |
|---|