OT-2026-000021439
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum 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-2026-000021439) never changes.
Identity and time
| Publication number | OT-2026-000021439 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865d-782b-b7ba-eafae6f514a5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021439 |
| Status | PUBLIC |
Content hashes
| Canonical text | 925a51ceeb52527747686ee525eeff3ff20c3ce219a853d5d4eca021745a79b9 |
|---|---|
| Markdown | 26d1d171a4e5e5f3a0e8c2921888f360dc1750ddae4ad4d3a223accee6235f29 |
| Publication page | a88eef09196e9c74279d06b91a31098d42a5a95510ba17d32e4e2b2ebbe30088 |
| Manifest | ccbf9af6420664a1f007bff8a5bf3b983beab36d2fe30ccbbaa6eeddf31e444f |
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 | /j7Q1DydaU6gDcRxCUqgUbb54M/Ax9TnpCHexkJFGo4/I3/dNp7+zHKuqnDOUNvPcywcB6kuimoBkgXLLon8AA== |
| 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
| 2026-09-17T11:55:21.149559Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021439observed a88eef09196e9c74279d06b91a31098d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:21.131373Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021439/manifest.jsonobserved ccbf9af6420664a1f007bff8a5bf3b98...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:21.112969Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021439/publication.mdobserved 26d1d171a4e5e5f3a0e8c2921888f360...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:21.094784Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021439/publication.txtobserved 925a51ceeb52527747686ee525eeff3f...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. |
|---|