OT-2026-000056248
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, sustained blow-off after 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-2026-000056248) never changes.
Identity and time
| Publication number | OT-2026-000056248 · never reused |
|---|---|
| Internal UUID | 01a0ae87-4bd1-7173-a91c-6812edb2a6aa · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:37.517586Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056248 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0a2baabb668a981cd99a630a42b1a3b953ee3edbcb3db162626f3f48f1802290 |
|---|---|
| Markdown | 0e06bbee5c84fbb6d7928f39e0aa88c2dc77ea79006edf02503448a3f002e71c |
| Publication page | 5c2f6cfc5f9d819025c1770103c31a3c16d0155bfff0b3c4c19be2d3efe50175 |
| Manifest | 54626a5aab014697ef6138646ad31f034d8dfbd5165b1114a2b0fc47e47982e6 |
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 | DOt8W6E3Ahv42q/CNyFZ0zx1pm//bvBzINJdfZbTO3TiUXwtU241eywMHFqAaHQqEnbvjxHGibI5PTAsCPbCDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:50:43.746361Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056248observed 5c2f6cfc5f9d819025c1770103c31a3c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:50:43.730000Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056248/manifest.jsonobserved 54626a5aab014697ef6138646ad31f03...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:43.712568Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056248/publication.mdobserved 0e06bbee5c84fbb6d7928f39e0aa88c2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:43.695136Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056248/publication.txtobserved 0a2baabb668a981cd99a630a42b1a3b9...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. |
|---|