OT-2026-000042253
Publication integrity record
Six cup vacuum gripper, six outlet manifold, 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-2026-000042253) never changes.
Identity and time
| Publication number | OT-2026-000042253 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-5d72-7727-8b9f-aa65929c6f72 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:30.052779Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042253 |
| Status | PUBLIC |
Content hashes
| Canonical text | 80a306f5bc11eca32471707d709a2474962c295af83e3aa9c86269b1a4759f01 |
|---|---|
| Markdown | d267883fd2e8decf02c900325af5c825f49f173a1c004cd82f4f20365a980d73 |
| Publication page | bd13957ad5d20ea9dc08685ca7d66d08dbaa470cfb4a2d92254ba590f3219ea5 |
| Manifest | 9017e7224d787de653a1c28902861526f76bd414495d71a47a0a560223747e05 |
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 | gJBjIb1zpsbPYGejZkAtaYRG/yVvsf5u94PPY1thmyrB5ohdYmYUlNbhzG+Fw/xB8tiFFeGiW6/dAVMJNPvWCA== |
| 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
| 2026-09-17T11:15:56.218114Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042253observed bd13957ad5d20ea9dc08685ca7d66d08...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:56.201010Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042253/manifest.jsonobserved 9017e7224d787de653a1c28902861526...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:56.183155Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042253/publication.mdobserved d267883fd2e8decf02c900325af5c825...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:56.165806Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042253/publication.txtobserved 80a306f5bc11eca32471707d709a2474...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. |
|---|