OT-2026-000071648
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, vented 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-2026-000071648) never changes.
Identity and time
| Publication number | OT-2026-000071648 · never reused |
|---|---|
| Internal UUID | 01a0ae92-1e90-7a89-81fb-e42b185cb8a3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:26.841552Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000071648 |
| Status | PUBLIC |
Content hashes
| Canonical text | 87bee03f3a3da5781e7875377390aa6fbfafcd4d3552989cfdefb68900b4c88a |
|---|---|
| Markdown | 7db819e7f80f7d8754d8fb3da87cd5f6d9f3c006c093c324a6555ade584d7a1c |
| Publication page | cbaff346d5d643d3063a241119d9d7fc9381dd50c3a5a69804ce659d733b39c4 |
| Manifest | 640a353e306672159fc1facdb5ceaade019465f5fbacfcf5773f2fffbf86d606 |
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 | h9wNhWM9xcciD+azPgfaxrShZLfeBaXus6nUYIP91ib5b3PJadJvstsJwG3G0C6pJsNx4CZk6VBlY5FleDTXDw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:23:38.457011Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071648observed cbaff346d5d643d3063a241119d9d7fc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:23:38.439048Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071648/manifest.jsonobserved 640a353e306672159fc1facdb5ceaade...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:23:38.421409Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071648/publication.mdobserved 7db819e7f80f7d8754d8fb3da87cd5f6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:23:38.404293Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071648/publication.txtobserved 87bee03f3a3da5781e7875377390aa6f...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. |
|---|