OT-2026-000077986
Publication integrity record
Single bellows cup vacuum gripper, plant vacuum fed, vented 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-2026-000077986) never changes.
Identity and time
| Publication number | OT-2026-000077986 · never reused |
|---|---|
| Internal UUID | 01a0ae95-2ed1-7def-af1e-7d0e862b22ac · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:47.703064Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000077986 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5c1b4002728494999b6370b8ca8807e95edf88617e8e56a7c698d43af9f61ec2 |
|---|---|
| Markdown | 5538faaeaa85af847faff11b5aba98e5add36818c051eb3df7e0696ce5c5d07f |
| Publication page | 0342016afc91aa80f2df76be7c367dfd249916a7b88482037b1d978fc4e63c2b |
| Manifest | b5114339469e29bff520abc28294a1430c39a6aabbc48601973ee44bac908dfd |
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 | 1yIla2ngW4H2iHkhr5T8tmQ7VOfJozqoZkJfkSmM9SYlT+dz7r45KMv6QtoD8CN4+iijDnYld3a/oYrPJ/aXBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:06:59.990770Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077986observed 0342016afc91aa80f2df76be7c367dfd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:06:59.969493Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077986/manifest.jsonobserved b5114339469e29bff520abc28294a143...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:06:59.949190Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077986/publication.mdobserved 5538faaeaa85af847faff11b5aba98e5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:06:59.930604Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077986/publication.txtobserved 5c1b4002728494999b6370b8ca8807e9...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. |
|---|