OT-2026-000015488
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump 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-2026-000015488) never changes.
Identity and time
| Publication number | OT-2026-000015488 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-ef4a-7057-91cb-b6c68af155a6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:55.421510Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000015488 |
| Status | PUBLIC |
Content hashes
| Canonical text | f9a9d2e31db71d73df9d52baf14ad2b45b0d9cb0b6c9f186d9d086eeeb6f3a8a |
|---|---|
| Markdown | f73e012845060b98f615366c5311a63091ba43f4468ae9211114d46b4cb5177a |
| Publication page | e662db7d130e23e024544189067c066f6d77ced3136155ff19f697e944124968 |
| Manifest | 711bcff59e9d7f11ac61689f1291a6651970b53146c1e33043b062398c85707e |
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 | Y9wUx636exPck47DcUljDliyaGc7+mfbpfJI2+eYu0mVVMFyKyBOZANZj+EZ3KXr55PMK1o64qKGb95SOhvNDA== |
| 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
| 2026-09-17T12:06:15.077230Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015488observed e662db7d130e23e024544189067c066f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:06:15.058506Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015488/manifest.jsonobserved 711bcff59e9d7f11ac61689f1291a665...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:06:15.038554Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015488/publication.mdobserved f73e012845060b98f615366c5311a630...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:06:15.019218Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015488/publication.txtobserved f9a9d2e31db71d73df9d52baf14ad2b4...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. |
|---|