OT-2026-000072020
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000072020) never changes.
Identity and time
| Publication number | OT-2026-000072020 · never reused |
|---|---|
| Internal UUID | 01a0ae92-47c0-7cc1-bac7-e52d34756540 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:37.365346Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000072020 |
| Status | PUBLIC |
Content hashes
| Canonical text | 570a0d39eea3441750573f6e8180399aef56aaaf55a19ad17676faea393872eb |
|---|---|
| Markdown | 55d437032f17903047a1e29acafcea75e0497495cf81a1da8fc91f9fd6090e93 |
| Publication page | e564d23b43aa9c4386eb0a170a2b87dde335d1d3b4af3c24b91090771b7e421b |
| Manifest | 1ed0afa690d66a3b4259f07f36b54662a5b48b0a4dab652f56e025750a58542b |
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 | cu3Jo32qvLNqwl1QPCsmAd7MU+fK40bXNUAQ3FVzHbvOOcBgP4E+PhX4+nbfx0+yaQZT9vwsLMswxNNT5xynDw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:23:04.920193Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072020observed e564d23b43aa9c4386eb0a170a2b87dd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:23:04.903424Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072020/manifest.jsonobserved 1ed0afa690d66a3b4259f07f36b54662...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:23:04.885098Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072020/publication.mdobserved 55d437032f17903047a1e29acafcea75...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:23:04.868491Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072020/publication.txtobserved 570a0d39eea3441750573f6e8180399a...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. |
|---|