OT-2026-000007423
Publication integrity record
Vacuum cup gripper, two outlet manifold, pump fed, contact triggered, polyurethane cups, oval form
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-2026-000007423) never changes.
Identity and time
| Publication number | OT-2026-000007423 · never reused |
|---|---|
| Internal UUID | 01a0a97e-4382-74c4-a301-bacf06039213 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T09:13:39.461485Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007423 |
| Status | PUBLIC |
Content hashes
| Canonical text | a98af31569a6cfb62582ec92cdcc41288b68bafff36c0761ee6c66b97737f477 |
|---|---|
| Markdown | a9e691d2085ebfc728053a53b5efae6268fbe847551bcc82baff4d64797b50f4 |
| Publication page | a955f565d67769dca0469cac1d3c6699d4de3b970f6bbe6af018337301ca456e |
| Manifest | ed9716cd5a84d9237eec485e77207b2d26e94f975e441f728e9ead2ff95ac599 |
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 | VUX2ZHlNC3RSqO7DK4HT/bKAGrC7GvEwAUlrGHeQs6zMpgNhBkwDiZO+d4mMGKNfpeIORP0sJMToYny486d+Cg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T09:20:33Z batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof root 07bfbe2fb3517c1c41f239fb2e682fbe... |
|---|
Independent retrieval
| 2026-09-16T09:20:06.205454Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007423observed a955f565d67769dca0469cac1d3c6699...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:20:06.192388Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007423/manifest.jsonobserved ed9716cd5a84d9237eec485e77207b2d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:20:06.179675Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007423/publication.mdobserved a9e691d2085ebfc728053a53b5efae62...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:20:06.164106Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007423/publication.txtobserved a98af31569a6cfb62582ec92cdcc4128...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. |
|---|