OT-2026-000004629
Publication integrity record
Bellows cup vacuum gripper, common isolation valve, two stage ejector, contact triggered on the face
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-2026-000004629) never changes.
Identity and time
| Publication number | OT-2026-000004629 · never reused |
|---|---|
| Internal UUID | 01a0a91e-3780-7224-b987-97f430e174df · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:28:44.931566Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004629 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7b46b7ea37618ea7aa6b75c37b25cbfabe0c36b329e7915a0f6854a4d68db2e6 |
|---|---|
| Markdown | e87b4d8a252c9b6288efbb9d0f1042422d35a27a59b44b28c24cc6a5d3d279b2 |
| Publication page | 889d6df2a2bddb6fb57a0a14c85b6b9949fa77f10fecaafc9f1806b6bd4a8c35 |
| Manifest | 70c5a7bea7bf75d5216c86ed57e1a8b71d8bda4f490f1dcd8e528847d95cd7ac |
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 | x6Ql8lbl03CzvFx8rXP26JJU7vWcN/MqYVmfPh1FeDLS1Ccq1rxDdUwyaTyTck5DI8TRWC4Y3INhJrN4nS6wDA== |
| 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
| 2026-09-16T07:30:07.378935Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004629observed 889d6df2a2bddb6fb57a0a14c85b6b99...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:07.249423Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004629/manifest.jsonobserved 70c5a7bea7bf75d5216c86ed57e1a8b7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:07.236965Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004629/publication.mdobserved e87b4d8a252c9b6288efbb9d0f104242...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:07.224974Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004629/publication.txtobserved 7b46b7ea37618ea7aa6b75c37b25cbfa...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. |
|---|