OT-2026-000020121
Publication integrity record
Two cup vacuum gripper, two 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-2026-000020121) never changes.
Identity and time
| Publication number | OT-2026-000020121 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-4378-7c07-bb17-07c74fa4f37b · 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-2026-000020121 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7894455b17d02f0f2cf2ddcb526f0789877137687df21da97c56c097b6f89d7f |
|---|---|
| Markdown | 0ce9424d8d0854d7ea268a92305a4917c87e48d17e481513ec91f5c6c824a9be |
| Publication page | 752bc75cfac701a3c37a4083343e5f860b67a065719caf6595f9fa44472df29e |
| Manifest | b6d03da3ee9dda6d2575331f7220cc861e8f6d5633a0bdbed3976579bdf28f88 |
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 | DnXD33tI7LvmFbBPzaWRlC7ebZeh/eYVETiZ4dNEHjp+sw1chqDkKEOOWNhy+QUFj+MlMeh6GkIFcNVM2ga7Cg== |
| 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
| 2026-09-17T11:56:25.458116Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020121observed 752bc75cfac701a3c37a4083343e5f86...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:25.439717Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020121/manifest.jsonobserved b6d03da3ee9dda6d2575331f7220cc86...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:25.421806Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020121/publication.mdobserved 0ce9424d8d0854d7ea268a92305a4917...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:25.403085Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020121/publication.txtobserved 7894455b17d02f0f2cf2ddcb526f0789...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. |
|---|