OT-2026-000027680
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, sustained 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-2026-000027680) never changes.
Identity and time
| Publication number | OT-2026-000027680 · never reused |
|---|---|
| Internal UUID | 01a0ae72-699a-775c-a160-6592d9611c67 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:18:48.928538Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000027680 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1d6ef3eb316e33cb449e510087a2130a2f442e1004db14d7d5e0d1ff702a5e87 |
|---|---|
| Markdown | 3cd9c70b3b99679eb8b2957172b4d4a4c62f4855a6e2718a5d634a0e9c858c11 |
| Publication page | 9402a5e98282191f125f959f8d6aa932b709b3f22b8bd0a1d5ed7a537366c0f9 |
| Manifest | 06f2f574bb65174727a8f22a2f8745cfc1e20599dc99526e769ae8dcaf27ff38 |
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 | yP4xC0olhvcabNo1FumfusXwjPAIJpRYJdTV8ILgTxp9w70oIwdaQ+zv3woKFt0bEk3xkA3qvd3zVKU/KZYxBw== |
| 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
| 2026-09-17T11:43:13.137209Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027680observed 9402a5e98282191f125f959f8d6aa932...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:43:13.119554Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027680/manifest.jsonobserved 06f2f574bb65174727a8f22a2f8745cf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:43:13.099820Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027680/publication.mdobserved 3cd9c70b3b99679eb8b2957172b4d4a4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:43:13.080819Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027680/publication.txtobserved 1d6ef3eb316e33cb449e510087a2130a...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. |
|---|