OT-2026-000049471
Publication integrity record
Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, pressure sensor per zone, 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-2026-000049471) never changes.
Identity and time
| Publication number | OT-2026-000049471 · never reused |
|---|---|
| Internal UUID | 01a0ae81-8f7c-736a-ac3d-514ed5a7c0a1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:35:21.728203Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000049471 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4c0e436b338b521b8c98f9ca4ab720b5869164cd8919332b1dcb17c8ddb57af2 |
|---|---|
| Markdown | ce2adccb40935d9ae0d5aaceb5075df54b7aeecc9f6b636c5f52c79119958ddf |
| Publication page | 95db5558a40a5e6ffd92a7c325630ff87402a0035b8afedd1ea32d8a37c8d164 |
| Manifest | 442d04342649778f3f8b0e9887332c7ac3382bd22ed95599b0144079d52ed116 |
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 | lQ5Pt6ffspC/V1g2kE1zbq33+AqttBF49tyKR/SKB92u4TEXK+fYH7KCt7NwYhtZNYMQTRX3aiG8xPwd/1l5Cw== |
| 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
| 2026-09-17T11:02:18.846113Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049471observed 95db5558a40a5e6ffd92a7c325630ff8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:02:18.827077Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049471/manifest.jsonobserved 442d04342649778f3f8b0e9887332c7a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:02:18.807874Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049471/publication.mdobserved ce2adccb40935d9ae0d5aaceb5075df5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:02:18.789378Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049471/publication.txtobserved 4c0e436b338b521b8c98f9ca4ab720b5...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. |
|---|