OT-2026-000021640
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down
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-2026-000021640) never changes.
Identity and time
| Publication number | OT-2026-000021640 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-7e07-b3eb-ad0c8824c0c3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021640 |
| Status | PUBLIC |
Content hashes
| Canonical text | b100ec97239f7950bdd30dbb9278ac1f364aa3f2559d62d9de3dba2aaa8b47a6 |
|---|---|
| Markdown | 2737f5fd9a88693cb8353f33f8f6b52227f1bbb23228542889d3ea380f744034 |
| Publication page | 7183cfdd888d7a5d474647845235779bdb58287c87f4b53bc1c4fffc91a42fd9 |
| Manifest | 7d2e504792c20dafae77a87fab85f8bfb47567afa1408d4eea91b87f0fbab692 |
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 | P8PFTSu2sUSJWdcd1Mw8CS4RoM/KUqPOfeeD85wqkWNER7EQ0huM5KsAQVS0sWa7bhdBKAk7zWJBiuIv/Dd4BQ== |
| 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
| 2026-09-17T11:54:10.644411Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021640observed 7183cfdd888d7a5d474647845235779b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:10.625213Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021640/manifest.jsonobserved 7d2e504792c20dafae77a87fab85f8bf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:10.608999Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021640/publication.mdobserved 2737f5fd9a88693cb8353f33f8f6b522...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:10.591997Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021640/publication.txtobserved b100ec97239f7950bdd30dbb9278ac1f...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. |
|---|