OT-2026-000091471
Publication integrity record
Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, pressure sensor per zone, sustained 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-2026-000091471) never changes.
Identity and time
| Publication number | OT-2026-000091471 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-f16d-7cfb-b3f3-245dcec71564 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:16.158740Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000091471 |
| Status | PUBLIC |
Content hashes
| Canonical text | 32428e7a327c00995289755d3a1c0f98cf8d57790243223f1c38f01d53d15ec2 |
|---|---|
| Markdown | e756ddaa2f136c7c010e0140ca1a69d4275d866c8bcd192e6924a7711f7eb96a |
| Publication page | 9749c6904ebde3f756b1c06b8b9388abb36b59e99736a23fc9227c16e753a5e5 |
| Manifest | 6f62dc829f7db39601fbbeed536069b3d7e7e821f03d0918e4c8fdfcf2216da3 |
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 | IpiIhi5Ij3P6AxVpUEI4xpDOg1p53GqTzo1TePf3fTzPNL7wb0h1wlZLGSYfo3VhEBf1aLOF3DPAAyy8sJtfAA== |
| 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
| 2026-09-17T09:43:43.383188Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091471observed 9749c6904ebde3f756b1c06b8b9388ab...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:43:43.366158Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091471/manifest.jsonobserved 6f62dc829f7db39601fbbeed536069b3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:43:43.349797Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091471/publication.mdobserved e756ddaa2f136c7c010e0140ca1a69d4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:43:43.332993Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091471/publication.txtobserved 32428e7a327c00995289755d3a1c0f98...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. |
|---|