OT-2026-000004602
Publication integrity record
Bellows cup vacuum gripper, per zone isolation, two outlet manifold, pump fed, pressure verified
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-2026-000004602) never changes.
Identity and time
| Publication number | OT-2026-000004602 · never reused |
|---|---|
| Internal UUID | 01a0a91d-63c2-72e6-8c0f-dbea6e1e79f0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:27:50.725823Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004602 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9a8435ad787f6516343b7b44a0a2235daad0efe989830aec70d590b851728f07 |
|---|---|
| Markdown | f9edb183a96104ebcbaab10e38404d330eaea1ceb5b5d2963730ec7b07daf3ec |
| Publication page | 91599cc66215b56e856ca50da51138a506d951f9e09075be7abe3042674aea4f |
| Manifest | 987bc52676045648ccaa4c0cfec6706fef5ccd5ed3952d31de4def4ae0461065 |
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 | 3Xm8Ey+4mTKvONc76LMncIYO3Nbs8MQBBGvwh4kq/s1c7AzduO1VlQoLj6NKPIMZqam4b/OdJCo1xm1CJ/kPDw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:30:10.241272Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004602observed 91599cc66215b56e856ca50da51138a5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:10.227033Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004602/manifest.jsonobserved 987bc52676045648ccaa4c0cfec6706f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:10.213393Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004602/publication.mdobserved f9edb183a96104ebcbaab10e38404d33...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:10.198252Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004602/publication.txtobserved 9a8435ad787f6516343b7b44a0a2235d...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. |
|---|