OT-2026-000031556
Publication integrity record
Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000031556) never changes.
Identity and time
| Publication number | OT-2026-000031556 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87af-7c68-a7f3-ea784a8c4b4d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:07.653052Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031556 |
| Status | PUBLIC |
Content hashes
| Canonical text | 52dd3033650b073649bd0d4cde6a8931f16946eb7b466d57d5eeb67a30ff5272 |
|---|---|
| Markdown | c7bcbf1c3346beb2825f77c3dcace73d0124c868ba8625c4973c9200c26ede47 |
| Publication page | 8f69ebfe73f3863c20d2f55ddf592b4316d6a89fd5524f0f6205267bf72638da |
| Manifest | 9183f8af156c1c3b06434c3683d02dcf7a253d1eb002a40e79b56b4d5a718433 |
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 | VOIl3bddKPW1h75S9DoU5a6Z8YI6hLzkvnfXuf8uf3T8K/7tTqkok7QsQrMjY5rOoFx0rOqa1TLu4jpixDfyBg== |
| 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
| 2026-09-17T11:36:24.109516Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031556observed 8f69ebfe73f3863c20d2f55ddf592b43...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:36:24.090458Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031556/manifest.jsonobserved 9183f8af156c1c3b06434c3683d02dcf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:24.072084Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031556/publication.mdobserved c7bcbf1c3346beb2825f77c3dcace73d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:24.051814Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031556/publication.txtobserved 52dd3033650b073649bd0d4cde6a8931...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. |
|---|