OT-2026-000071640
Publication integrity record
Single bellows cup vacuum gripper, 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-2026-000071640) never changes.
Identity and time
| Publication number | OT-2026-000071640 · never reused |
|---|---|
| Internal UUID | 01a0ae92-1e90-721d-9c1c-f61915fcdc01 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:26.841552Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000071640 |
| Status | PUBLIC |
Content hashes
| Canonical text | 901bd9fa6c4491b99a775e3cc90181209f9de7e1a412f036096ddc0fcc2f7750 |
|---|---|
| Markdown | d9094c56548de74568759fb7b7c996079d9fbd379d756b4267837148fd8d669f |
| Publication page | 404e68b9488f0db0e58674f61bb265a0f3c336d95f6e5ba24c6b7f3d9fcfd094 |
| Manifest | b1cb64cc31b7bb077b65e3ad444785e140f4acddbe6c3c622418f026bffe35c5 |
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 | Zwheb08sp/O34sa6vRwN6+TDg3QUYVQZF2veZg+yvp94/tPNyHhBKMbCeZHrbo+XQzMJIGTndJxeU00huIOqBQ== |
| 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
| 2026-09-17T10:23:40.436181Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071640observed 404e68b9488f0db0e58674f61bb265a0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:23:40.418568Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071640/manifest.jsonobserved b1cb64cc31b7bb077b65e3ad444785e1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:23:40.401642Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071640/publication.mdobserved d9094c56548de74568759fb7b7c99607...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:23:40.384644Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071640/publication.txtobserved 901bd9fa6c4491b99a775e3cc9018120...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. |
|---|