OT-2026-000004457
Publication integrity record
Vacuum cup gripper, two stage ejector, pressure verified, contact triggered
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-2026-000004457) never changes.
Identity and time
| Publication number | OT-2026-000004457 · never reused |
|---|---|
| Internal UUID | 01a0a918-634b-7a74-bb7d-715e1d02cae3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:22:22.926414Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004457 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1d0c207afae9ec2f5e1160284f4d6cd99fa8d1954c9d8354a85163831c29a7c2 |
|---|---|
| Markdown | 30114ac0fed6303b04377edadd4b3b250354f5aed0ed2c20dfb8385f5329ecd0 |
| Publication page | 37b3bf94909189bcc701a1bf7501ae7502d40318c2857ddb1b380191ec0c4ad2 |
| Manifest | 2daa2be0a5a8793892a9691d84274c192e95e52ea159d0504e9d7139dfc46b19 |
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 | BFLS+qNKSZJIMcA9NZdhpw55402iHw9CC028ki+uKX5bmQuC2OR6D//5CfVo+nBls5DGMTZRR8wAakQX9Ya3Cg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:30:25.447323Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004457observed 37b3bf94909189bcc701a1bf7501ae75...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:25.432043Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004457/manifest.jsonobserved 2daa2be0a5a8793892a9691d84274c19...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:25.418018Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004457/publication.mdobserved 30114ac0fed6303b04377edadd4b3b25...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:25.402747Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004457/publication.txtobserved 1d0c207afae9ec2f5e1160284f4d6cd9...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. |
|---|