OT-2026-000031784
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000031784) never changes.
Identity and time
| Publication number | OT-2026-000031784 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad1-74e3-b6bd-3fcfb1660424 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031784 |
| Status | PUBLIC |
Content hashes
| Canonical text | 245a66eab778965561aef8a3443184b6732a108399c64a7d3964e56b282549e6 |
|---|---|
| Markdown | b113d1e5bf0680dc141d9e8dde046d1a7859a74a677a8743b2b4dd137c20f7aa |
| Publication page | ad1d0bc2a7feb6467ba94d9a155e4590aaf75cfeeee3ec14aaf30030179723f2 |
| Manifest | da22d5e203b7625aeb93f748105ad50455fcba2e906c5f9a92434037259eb959 |
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 | +2Wwi3CtnZSL1EsMjNUvhus1fc9xaGwakG+x2VHyDqZIvzLolC008Zj46dJTE4RXdZZM0ebOA461ZtDC670CDw== |
| 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
| 2026-09-17T11:34:54.783898Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031784observed ad1d0bc2a7feb6467ba94d9a155e4590...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:34:54.767304Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031784/manifest.jsonobserved da22d5e203b7625aeb93f748105ad504...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:34:54.750520Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031784/publication.mdobserved b113d1e5bf0680dc141d9e8dde046d1a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:34:54.733189Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031784/publication.txtobserved 245a66eab778965561aef8a3443184b6...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. |
|---|