OT-2026-000029848
Publication integrity record
Single bellows cup vacuum gripper, pump fed, 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-2026-000029848) never changes.
Identity and time
| Publication number | OT-2026-000029848 · never reused |
|---|---|
| Internal UUID | 01a0ae73-ac47-728f-861d-2b8cc3cc9e82 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:11.501096Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029848 |
| Status | PUBLIC |
Content hashes
| Canonical text | f47717cd5df327b957468ae198135c471d97994317f03d212c37f0a7e1cb8748 |
|---|---|
| Markdown | 3002a8552fc854615fc0c1185312ef09abb3c6141193fe36f958ea916a255709 |
| Publication page | 0c2ddede653933d3f53d0cc9b137964f4193ca2511ac9abb5c9a68d7724ce699 |
| Manifest | 717ea5ddcb174e47ed87a0e36033cb06ac498aa010f5fc84083dde7a2363bca5 |
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 | bXmgH4oUC4YGyenxMKtG0MI2Iwt6FbYhCd7XgBu6vsVdpMoV2NawryWQniXcBkeVwCjEY45J9USNGKDTZbknBg== |
| 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
| 2026-09-17T11:38:29.644491Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029848observed 0c2ddede653933d3f53d0cc9b137964f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:38:29.624986Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029848/manifest.jsonobserved 717ea5ddcb174e47ed87a0e36033cb06...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:29.606720Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029848/publication.mdobserved 3002a8552fc854615fc0c1185312ef09...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:29.586228Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029848/publication.txtobserved f47717cd5df327b957468ae198135c47...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. |
|---|