OT-2026-000028999
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, pulsed blow-off before 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-2026-000028999) never changes.
Identity and time
| Publication number | OT-2026-000028999 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9e-739e-a347-d69f4777f9f5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028999 |
| Status | PUBLIC |
Content hashes
| Canonical text | c60f0af5611622788ed8426b35c1e091943c0b70ca9b74ecaaba5718360a1c97 |
|---|---|
| Markdown | 2a82e41975b42d0ebfb0e985902a106fd2a1151daeaac9f9789b12f093838618 |
| Publication page | 729c480f7700cfe9fc3c2c0d59e2b8d5392a96c762ee03f1daae145727563dec |
| Manifest | f8a6a2273fbe0e65fadafc531094155c99d388ef9985befb9f7e976df29c1da2 |
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 | AFxM8Qt0CKZt0Oykz8gcslftMfZnDop2S0tKec9ZKFtHtd9ZMQQdnygmjtm4khbZHlanwK3f0BouQO+6FL7rBw== |
| 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
| 2026-09-17T08:20:32.997863Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028999observed 729c480f7700cfe9fc3c2c0d59e2b8d5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:32.978984Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028999/manifest.jsonobserved f8a6a2273fbe0e65fadafc531094155c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:32.952061Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028999/publication.mdobserved 2a82e41975b42d0ebfb0e985902a106f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:32.934038Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028999/publication.txtobserved c60f0af5611622788ed8426b35c1e091...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. |
|---|