OT-2026-000052161
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, vented before set-down
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-2026-000052161) never changes.
Identity and time
| Publication number | OT-2026-000052161 · never reused |
|---|---|
| Internal UUID | 01a0ae83-e790-7aa0-a0da-835c45468b8d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:37:55.233643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052161 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1fb0edcc65db68bcaa8beb83e24ac05d18523e64dc97deabb904767f17e8f9e1 |
|---|---|
| Markdown | 93d6b284b937135221d885e1311f3828acd71ea1d5c44db60fe7c30e23cef460 |
| Publication page | 8cebcc536859eec7d0c6e57c6ba202417af3f2c4794a27e2fdd60b274b038a24 |
| Manifest | a5247e7ed3248d22b49c170612116e0fc8f8955b16ff2ab0e44aaf6188075973 |
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 | D4vUUty/pavqei7iqDyh9uOTqKwILgSqfxCgFkYYyBKtXsXhcfGuQZ10ffCFuDsGxMs5lzIg/3gPw88eC1aFCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:57:43.038945Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052161observed 8cebcc536859eec7d0c6e57c6ba20241...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:43.021355Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052161/manifest.jsonobserved a5247e7ed3248d22b49c170612116e0f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:43.003204Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052161/publication.mdobserved 93d6b284b937135221d885e1311f3828...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:42.984387Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052161/publication.txtobserved 1fb0edcc65db68bcaa8beb83e24ac05d...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. |
|---|