OT-2026-000020077
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, three 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-2026-000020077) never changes.
Identity and time
| Publication number | OT-2026-000020077 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb8-7e49-be49-e60a23b452d5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020077 |
| Status | PUBLIC |
Content hashes
| Canonical text | 914aaeb9d4876a9eb9a5de61cfd2b7d98f158aa67b74bd984a048d7ee3558728 |
|---|---|
| Markdown | 2b2ed84ec0bf86ccb12233e2ca15181c33914faf8b098eb2e9bdf121f13e0c2c |
| Publication page | 9fb6cf34a6f65c390dbc654e33b7b5f69cc82771d8bcdfb0acde0e666c32d430 |
| Manifest | 756e44389920618bc66e3f18af0994bfce57bdad45f0fc119494a704117b91e1 |
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 | li5JSp81Q8COIk1mRuKAEnDFQ/B3g93hsNX4kKY2aM4+pRQLBpW8JCCvk1OHJB8Eb5p9p5Sgnk1fbrUT1JXWCg== |
| 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
| 2026-09-17T11:58:21.174719Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020077observed 9fb6cf34a6f65c390dbc654e33b7b5f6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:21.153459Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020077/manifest.jsonobserved 756e44389920618bc66e3f18af0994bf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:21.131179Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020077/publication.mdobserved 2b2ed84ec0bf86ccb12233e2ca15181c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:21.112944Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020077/publication.txtobserved 914aaeb9d4876a9eb9a5de61cfd2b7d9...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. |
|---|