OT-2026-000043246
Publication integrity record
Foam pad vacuum gripper, 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-2026-000043246) never changes.
Identity and time
| Publication number | OT-2026-000043246 · never reused |
|---|---|
| Internal UUID | 01a0ae7b-327d-7f71-ad49-867b6a525825 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:28:24.717423Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000043246 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8c260fd58d1bafe1ab9be57bc94945d761ffc1794e367345d9621d57f7e1821b |
|---|---|
| Markdown | 9acc5f65ec2fc3711d6fe50ab3b7a7d44d6df5a9d81c6d8e465933afc3a055fe |
| Publication page | af09ebad2b19ea33de39e650a385b76d32e7d6f869429259a57d36fbcad2d6a8 |
| Manifest | de9571d5664289361b17e1e6efd42fe20ae4aa8fed58920ea853a571be440b3b |
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 | 6Hk+q1vISXE0pAzOsGJogrwzrpEc6udmNKJiu88DeUCj+xAQwLNan+W/ugN+w+6fPYOz5bv1xNtjX2tH4ujaDQ== |
| 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
| 2026-09-17T11:13:43.381986Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043246observed af09ebad2b19ea33de39e650a385b76d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:13:43.360883Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043246/manifest.jsonobserved de9571d5664289361b17e1e6efd42fe2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:13:43.343050Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043246/publication.mdobserved 9acc5f65ec2fc3711d6fe50ab3b7a7d4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:13:43.324021Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043246/publication.txtobserved 8c260fd58d1bafe1ab9be57bc94945d7...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. |
|---|