OT-2026-000055020
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000055020) never changes.
Identity and time
| Publication number | OT-2026-000055020 · never reused |
|---|---|
| Internal UUID | 01a0ae86-5e80-7b78-91ea-b6526c6d9e6e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:36.756598Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000055020 |
| Status | PUBLIC |
Content hashes
| Canonical text | a7e40f781502f058a822a38c28937260add4cbd90e2f532dd2a6d6fb8dd7dbd9 |
|---|---|
| Markdown | 26423ad7e0ca52e72ab0bde743d796d188a05ecfb2eb4c1e17ba5cec6d09eb93 |
| Publication page | bbf5fc3b7560c12ba36c887e646123dd03c62195428bb722cf82ae5c101e8f0d |
| Manifest | 71d17649971684d48b42c19ae229eba01d1d4651aa7861e64c0b8c3911de07bb |
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 | 05TYi1sf0p+Qi/7IYWRIPXMvzeo7SqQpBIqdZ/8qtoZqGLZru46VSxPdfBbmT2ppbdK2RbgHqQ4xYq9BeG+yAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:53:09.357169Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055020observed bbf5fc3b7560c12ba36c887e646123dd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:53:09.337384Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055020/manifest.jsonobserved 71d17649971684d48b42c19ae229eba0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:53:09.319216Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055020/publication.mdobserved 26423ad7e0ca52e72ab0bde743d796d1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:53:09.301694Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055020/publication.txtobserved a7e40f781502f058a822a38c28937260...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. |
|---|