OT-2026-000069920
Publication integrity record
Single bellows cup vacuum gripper, plant vacuum fed, vented before 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-2026-000069920) never changes.
Identity and time
| Publication number | OT-2026-000069920 · never reused |
|---|---|
| Internal UUID | 01a0ae91-1860-7812-8354-c2f340515daa · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:52:19.726120Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000069920 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6ad2adfcabd8537c34ca29b623acc9ed074a1460402ab776d18eefc252cc2e54 |
|---|---|
| Markdown | 83beeee2e2b06e8f3890a19af4478c32c81572a3084009b6eed44adfdb69e26c |
| Publication page | c90788805da30bcd7ed8adaa539266fd8f9706983982f5b2959728671ab9e3d8 |
| Manifest | 91070c3e16db355983103d06393ac1487152230610e6a7bfabc1959c293e3d44 |
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 | NQYr3RjL9JmMQELyh8u/KmI2T8O2cxswWK23TxHoIeT2w/FkxQY4KJpe3C3oKym9hth/K28iuiNmJe0wGPzmAA== |
| 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
| 2026-09-17T10:26:51.495115Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000069920observed c90788805da30bcd7ed8adaa539266fd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:26:51.477396Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000069920/manifest.jsonobserved 91070c3e16db355983103d06393ac148...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:26:51.458742Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000069920/publication.mdobserved 83beeee2e2b06e8f3890a19af4478c32...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:26:51.439155Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000069920/publication.txtobserved 6ad2adfcabd8537c34ca29b623acc9ed...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. |
|---|