OT-2026-000071552
Publication integrity record
Single bellows cup vacuum gripper, single stage ejector, 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-2026-000071552) never changes.
Identity and time
| Publication number | OT-2026-000071552 · never reused |
|---|---|
| Internal UUID | 01a0ae91-e0ee-7b0c-9c01-51d487b0f086 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:11.039722Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000071552 |
| Status | PUBLIC |
Content hashes
| Canonical text | 31eff85c3b217452d43a0ef052fce5713673f745c4b2cde0a8ed97949be77e48 |
|---|---|
| Markdown | f0708f28382b8b29a914ca5822d9f3f2b528fdd6a37f09835b0d07dc43a723a5 |
| Publication page | 982570ed77c19da5b3dfc9155e9cc1f15b97f01531a1e211b96f1e5fe886ae76 |
| Manifest | b9c4292c402e2e9b106368f425ebf891d05cd075b87d50d178c498072a873595 |
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 | KbrxX39DZhUTSXod8PqYXiqjKRB/+rptZU9Q3FyuXfpFxILk79upoD3yXEt9wFyTRpCjpT7XM4wTswisCW0IBg== |
| 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
| 2026-09-17T10:25:12.431514Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071552observed 982570ed77c19da5b3dfc9155e9cc1f1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:25:12.414320Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071552/manifest.jsonobserved b9c4292c402e2e9b106368f425ebf891...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:25:12.397302Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071552/publication.mdobserved f0708f28382b8b29a914ca5822d9f3f2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:25:12.381613Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071552/publication.txtobserved 31eff85c3b217452d43a0ef052fce571...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. |
|---|