OT-2026-000020237
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line 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-2026-000020237) never changes.
Identity and time
| Publication number | OT-2026-000020237 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-4379-7c60-abcb-d2d1a8b76b7b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020237 |
| Status | PUBLIC |
Content hashes
| Canonical text | caa8800de0788a008289f691ea9a4a559c6b7a5903af829ec7aa15dabc70193e |
|---|---|
| Markdown | 4641655adc93ad2915e3d157781bb6aee07646d25bfe38c3c1e29b9f52f9458a |
| Publication page | 181ad935474d1d5fb270a58b1a7889afe06d0ae9279624f766733a3c08bd0aa7 |
| Manifest | 695770a84de0ffad923ed727ee857d8c294028e13f9bd96a2fe3f6e99ae83505 |
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 | CNq6Qtr6ATFD1mFrRc015P7nTlWiMXsFjMDeTG24GzGXFP35dGuxGPGUW8MYC73Sx+cOyC4T/lUokmqYpA4OBw== |
| 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
| 2026-09-17T11:56:34.612188Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020237observed 181ad935474d1d5fb270a58b1a7889af...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:34.593547Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020237/manifest.jsonobserved 695770a84de0ffad923ed727ee857d8c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:34.577178Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020237/publication.mdobserved 4641655adc93ad2915e3d157781bb6ae...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:34.560617Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020237/publication.txtobserved caa8800de0788a008289f691ea9a4a55...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. |
|---|