OT-2026-000022497
Publication integrity record
Single cup vacuum gripper, two stage ejector, sustained blow-off 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-2026-000022497) never changes.
Identity and time
| Publication number | OT-2026-000022497 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-f4fe-781b-bb42-c5fc40fc264f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:07.953226Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000022497 |
| Status | PUBLIC |
Content hashes
| Canonical text | d3cc1d9529e0c3dc0797f430a50e3ff120a7104d891d92de16c0fa52377fcae7 |
|---|---|
| Markdown | 6d4a31e56ab0a04b41a921b4afefa170e75c96ddaad0994756b5daa34ab916be |
| Publication page | b196d303ca3449eaf58361580dba316a8c9ac715095634609ce17d0440def9d8 |
| Manifest | 0798ceaa42cf697559ba01d9235ecb4856d353fc7d46767793aa7962e0b36e11 |
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 | COFZPsOxiOwJqtq3oU34W7LWlOe6N5EwymF8E/qtgILzG7k4Uw25lmDvnjoyc2KCGTUI2KMHJPxRgIGLncASCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:53:55.230420Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022497observed b196d303ca3449eaf58361580dba316a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:53:55.212627Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022497/manifest.jsonobserved 0798ceaa42cf697559ba01d9235ecb48...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:53:55.193003Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022497/publication.mdobserved 6d4a31e56ab0a04b41a921b4afefa170...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:53:55.175606Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022497/publication.txtobserved d3cc1d9529e0c3dc0797f430a50e3ff1...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. |
|---|