OT-2026-000057752
Publication integrity record
Single bellows cup vacuum gripper, three stage ejector, 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-2026-000057752) never changes.
Identity and time
| Publication number | OT-2026-000057752 · never reused |
|---|---|
| Internal UUID | 01a0ae88-6ed7-7cf0-bde8-9c37e486e61e · 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-2026-000057752 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5a290c35ba4a19a5688474077d0ad35977cbe55d00988b06450d8d38daff1687 |
|---|---|
| Markdown | ce67163c2787ef29c56e40b5baf1ee0bbb42c117f9ccea398f3a577915b258f8 |
| Publication page | 3e1108efa1ba4117cfb77527fec5fd3e29640f4d1ebfdb0a5c9259915f39c2bb |
| Manifest | 4837a881094a353d3e1ca31caf45f4f9c116de15a7c06bdb9f7130befda49ab5 |
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 | 2MYpqHg/VfOJmE+U1v8qtOmNpBW5QUmW+fJPrv1gb3aascDUmU4nkZCkxro4Ckou3A8KuJJx52V0VWBbv9x1DA== |
| 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
| 2026-09-17T10:47:17.707981Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057752observed 3e1108efa1ba4117cfb77527fec5fd3e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:47:17.689331Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057752/manifest.jsonobserved 4837a881094a353d3e1ca31caf45f4f9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:47:17.668378Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057752/publication.mdobserved ce67163c2787ef29c56e40b5baf1ee0b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:47:17.647848Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057752/publication.txtobserved 5a290c35ba4a19a5688474077d0ad359...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. |
|---|