OT-2026-000057800
Publication integrity record
Single bellows cup vacuum gripper, plant vacuum fed, 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-2026-000057800) never changes.
Identity and time
| Publication number | OT-2026-000057800 · never reused |
|---|---|
| Internal UUID | 01a0ae88-6ed7-74d0-a611-35e184acb20f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:52.020108Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057800 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7fc2a8fdb19a18a630cc0b422862e6e9e23c33fe291dc407a05b4bc416f147bd |
|---|---|
| Markdown | b1dc5b4881f39967adaa82db0e96a5fcfea116a9bcfbf9129d95e44341bf933d |
| Publication page | 61fbd96ba8d23d58faa5272c41f26103a628d5f455b044a188d7db576c5aba6c |
| Manifest | 4cc0a860ae434afc198c2c56390b3b4161647f6f0f93ee21b506a5ef74335c4e |
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 | OSRwUGFjSjOcXDtjEu8bOR0p1F0GYPcMsIUuJWlRJgiT3bBBKLAu015giB+2CGinsTdN9dnYv6mhxicFrRDJBw== |
| 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... |
|---|
Independent retrieval
| 2026-09-17T10:47:21.722100Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057800observed 61fbd96ba8d23d58faa5272c41f26103...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:47:21.705216Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057800/manifest.jsonobserved 4cc0a860ae434afc198c2c56390b3b41...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:47:21.687175Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057800/publication.mdobserved b1dc5b4881f39967adaa82db0e96a5fc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:47:21.671635Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057800/publication.txtobserved 7fc2a8fdb19a18a630cc0b422862e6e9...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. |
|---|