OT-2026-000004148
Publication integrity record
Vacuum cup gripper, three zone face, two stage ejector, contact triggered, vented before set down
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-2026-000004148) never changes.
Identity and time
| Publication number | OT-2026-000004148 · never reused |
|---|---|
| Internal UUID | 01a0a90f-89f5-7a32-be07-9eea0ca34eb4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:12:43.004870Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004148 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2dec70eaef1bd5ca49ef2f18b327fc3bee25dfce8e0acbd83ccf04bf9adf393f |
|---|---|
| Markdown | 31587fa9acd22063b2dfa8328df86a4a04acf1f51b876eaa2ba3abb6c6f76ec3 |
| Publication page | 720cefd5834279ce33ad1e1951e7b3630b7837ff105397ce3edfd99e1291778f |
| Manifest | f27a6585b045977efbb515fab6fbe2f45a9fb15d28706305b9cf46d345aec23e |
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 | xN1VmrRQ0R6XoJJ/YcXmEr6SLMtc2q3AQpZb9ME9CfrzUf9OFXA9iXtFbigq1x+TAN7TWWV/kc+/6v7EjxVLDQ== |
| 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
| 2026-09-16T07:20:30.955133Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004148observed 720cefd5834279ce33ad1e1951e7b363...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:30.941841Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004148/manifest.jsonobserved f27a6585b045977efbb515fab6fbe2f4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:30.929007Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004148/publication.mdobserved 31587fa9acd22063b2dfa8328df86a4a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:30.914723Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004148/publication.txtobserved 2dec70eaef1bd5ca49ef2f18b327fc3b...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. |
|---|