OT-2026-000003513
Publication integrity record
Porous face vacuum gripper with per-zone isolation of the vacuum circuit
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-2026-000003513) never changes.
Identity and time
| Publication number | OT-2026-000003513 · never reused |
|---|---|
| Internal UUID | 01a0a906-e4cb-7eb4-a0ed-2c228529fe9c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:03:16.430130Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003513 |
| Status | PUBLIC |
Content hashes
| Canonical text | 58081903bf2b6cd853a9f9fbec08934dfea67c2568fd7c5361f5cd5b91690be4 |
|---|---|
| Markdown | 3a8ce48ad10ae5f54221ae7c5f2204e6a05a0245a2cd90fce8aa80be4b6abc5f |
| Publication page | b783ed26276dfb5ec84ca7eb7d5428ce1b0661fa8102d6721a20edc611d64e6d |
| Manifest | 1bc601c829c7469976c51f2e1625e186e053ef3dcc370f875979c9cde5abd774 |
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 | 6DQ1z4LQgpwlSbtF+sps5o/ui0ALsd4FgOHaWF0TIzSSKUKu/GKRD9tMEjTsVthAbKpWf146CECwKNxtNk7JAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:07:02Z batch OT-TS-2026-W38-008 · RFC 3161 token · inclusion proof root e9da7eb1c397f1749e5915c5a39dbbcf... |
|---|
Independent retrieval
| 2026-09-16T09:00:33.394239Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003513observed b783ed26276dfb5ec84ca7eb7d5428ce...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:00:33.379990Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003513/manifest.jsonobserved 1bc601c829c7469976c51f2e1625e186...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:00:33.243763Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003513/publication.mdobserved 3a8ce48ad10ae5f54221ae7c5f2204e6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:00:33.228520Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003513/publication.txtobserved 58081903bf2b6cd853a9f9fbec08934d...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. |
|---|