OT-2026-000020267
Publication integrity record
Four bellows cup vacuum gripper, four zone face, pump fed, pulsed 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-2026-000020267) never changes.
Identity and time
| Publication number | OT-2026-000020267 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437a-7ca9-b409-4f9a9d191220 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020267 |
| Status | PUBLIC |
Content hashes
| Canonical text | b6305d8e4c8102448912cd727d3318830afacf5a5eb2cb4eabcbaed55e3c1f8a |
|---|---|
| Markdown | 48867a27922eb2f09aa607666275a5f4770b1493a2bdaac610d55b124e04b2fc |
| Publication page | 526836680d25c4bd99e71fc629a90fa3bdffc3df48c12fc9012585937cddf41d |
| Manifest | ff7679ed7740675de8d10621b054eb2cb7d805bc07c807ef7dfd990e1434ac2e |
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 | CZoK2/OuAqaZ0ySi4cF1+D2StvbWsJ6cluC+VLfhRNuWTPQwxRAHgEE/6acOSNs8wygnvolDOIn0IA631uGxAg== |
| 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
| 2026-09-17T11:56:36.966601Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020267observed 526836680d25c4bd99e71fc629a90fa3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:36.948683Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020267/manifest.jsonobserved ff7679ed7740675de8d10621b054eb2c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:36.929741Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020267/publication.mdobserved 48867a27922eb2f09aa607666275a5f4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:36.912124Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020267/publication.txtobserved b6305d8e4c8102448912cd727d331883...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. |
|---|