OT-2026-000012821
Publication integrity record
Single cup vacuum gripper, three stage ejector, 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-2026-000012821) never changes.
Identity and time
| Publication number | OT-2026-000012821 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-5563-73b9-b751-fa3fef87c660 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:16.019734Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000012821 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9c9d03e276872c577612f1ed3fc1d9c430d2b30c7c8ca1bf8882c5794f70ec9a |
|---|---|
| Markdown | 49b6ec28d597da119959694e66800110a4cbc54879658cbbafe0320b3b3e46bc |
| Publication page | fd35a22d0b013b8c7351764a1b45089125a10913f6ac0bad32be206ef500da08 |
| Manifest | 8a8a4bdab7d1f1d515e498b9bda33bef70f138fad6d7d797f2071fdf1932c71f |
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 | DwW7FLLwcZzFZwZLGxBt0hVbrYPsMNj4XKhFhHQqJjKcAPAJAOxDqoeAEsPS3m543u8GAqq0kCb2TCNBT7tFCQ== |
| 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
| 2026-09-17T12:10:33.379209Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012821observed fd35a22d0b013b8c7351764a1b450891...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:10:33.361791Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012821/manifest.jsonobserved 8a8a4bdab7d1f1d515e498b9bda33bef...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:33.342576Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012821/publication.mdobserved 49b6ec28d597da119959694e66800110...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:33.322713Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012821/publication.txtobserved 9c9d03e276872c577612f1ed3fc1d9c4...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. |
|---|