OT-2026-000021420
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000021420) never changes.
Identity and time
| Publication number | OT-2026-000021420 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865d-7f52-a9d8-ab88409570b2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021420 |
| Status | PUBLIC |
Content hashes
| Canonical text | 348bc48a3f23e7eff8548f881ffe6cc86733ca99daaaed955c7ecde4ec5aed49 |
|---|---|
| Markdown | 3224d435da1ccee7487b88ed6285e113ca4287a7fceb37c19f23ae154eb6b64c |
| Publication page | 6d85b8a037ccd62e275357a64a26506e17dafd049e64e3f1b9b4556ac76d4bd8 |
| Manifest | 55caae42b04533181bfd52a0de90b6422b673e158a6713982f98fd6cf4015bc3 |
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 | XH+0Icl185FaxF5ES5WPlSonJ8f77wy6iEKvTkjdtOrGicgIKFkbpWUa6WyI38Zff+NrWwH8QlRMhSKGtNVxBQ== |
| 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
| 2026-09-17T11:55:19.299758Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021420observed 6d85b8a037ccd62e275357a64a26506e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:19.278663Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021420/manifest.jsonobserved 55caae42b04533181bfd52a0de90b642...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:19.258335Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021420/publication.mdobserved 3224d435da1ccee7487b88ed6285e113...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:19.237574Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021420/publication.txtobserved 348bc48a3f23e7eff8548f881ffe6cc8...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. |
|---|