OT-2026-000020048
Publication integrity record
Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, 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-2026-000020048) never changes.
Identity and time
| Publication number | OT-2026-000020048 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb8-7e81-8504-bb8be2b48bdb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020048 |
| Status | PUBLIC |
Content hashes
| Canonical text | f8d81722793d5b90348d1ff139ee64126fa0757671c166db8b66c54a78aafe25 |
|---|---|
| Markdown | 8a6cfa6e6827ee652236196624a800bd4f6e5f880c98bf8c855cbd92b8bae52c |
| Publication page | 068271486d1dc6cc0cf0e283159b0d19ddcbd65f70e7aa7de7d85ef6189a5512 |
| Manifest | e9f5f1f472f3609b892a0593c752ebdf4bda9b682d98fe91f42e16aecb5fec11 |
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 | m5LPi0tDzrTilC+SNQ4yTRvoOLkH4FZXsgVrUJxrOUyDaFsxqEyjq7qZmtpnnRQAe2PSzjubPmzFmxDJUnvADw== |
| 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
| 2026-09-17T11:58:18.603812Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020048observed 068271486d1dc6cc0cf0e283159b0d19...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:18.585895Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020048/manifest.jsonobserved e9f5f1f472f3609b892a0593c752ebdf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:18.568024Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020048/publication.mdobserved 8a6cfa6e6827ee652236196624a800bd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:18.549350Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020048/publication.txtobserved f8d81722793d5b90348d1ff139ee6412...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. |
|---|