OT-2026-000043158
Publication integrity record
Foam pad vacuum gripper, single stage ejector, 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-2026-000043158) never changes.
Identity and time
| Publication number | OT-2026-000043158 · never reused |
|---|---|
| Internal UUID | 01a0ae7b-327b-7117-be62-9798732c9a37 · 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-2026-000043158 |
| Status | PUBLIC |
Content hashes
| Canonical text | 032fc363e7835c6d8650047095e92be5b51ece24adca31aae2b5cd62f27d103c |
|---|---|
| Markdown | 85237156c6c4d0816c89b46f0ab8af336e1f15a3dca5f0d7401cb648deec9529 |
| Publication page | a09402c1f81075ef139345a0671bec26910bb7b67625dbe41edfcb8fee1ac6c9 |
| Manifest | 8823af8efbe9c359601eec5757eeaceee2bc7c02e461d0227844be94858cb441 |
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 | T87ZZilUwcCxHjyI1cfCISFoVgZ2swoD2mlp4XIBx8VGJ5wtIsuRzpohLXhZmjlqW+Jbt+BRhRfPn1k+3GaBAg== |
| 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
| 2026-09-17T11:13:36.067025Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043158observed a09402c1f81075ef139345a0671bec26...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:13:36.046640Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043158/manifest.jsonobserved 8823af8efbe9c359601eec5757eeacee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:13:36.029808Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043158/publication.mdobserved 85237156c6c4d0816c89b46f0ab8af33...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:13:36.009978Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043158/publication.txtobserved 032fc363e7835c6d8650047095e92be5...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. |
|---|