OT-2026-000090950
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, pressure sensor per zone, sustained blow-off 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-2026-000090950) never changes.
Identity and time
| Publication number | OT-2026-000090950 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c011-7d1b-ba89-4dcd44ad57b3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:03.518217Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090950 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8d9f20e02662e061ba62a51fbe56ce1c77c0de62811466a22e28984d77ed01d8 |
|---|---|
| Markdown | 930a26ed02fd30c1053649d45351fe6754914240f9af9e8db5c2786a31ff13d2 |
| Publication page | 6d8f7a1fcb9d7fe9809fe7647fc2b72551c7b8364e6849b7841e3ff1a34ea1c9 |
| Manifest | ce73f990bb918af20c880083a2de83f144980053ea0ef683b4d0cfe3972c0e01 |
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 | oKkizlF4L3KJWnE2+bzWff8cb8+ewWqPE6M95jZl6Dalu2dEO73bnPKoiioxwvcmxiwJBVVwTa992yffjvg2DA== |
| 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
| 2026-09-17T09:44:10.238972Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090950observed 6d8f7a1fcb9d7fe9809fe7647fc2b725...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:10.222523Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090950/manifest.jsonobserved ce73f990bb918af20c880083a2de83f1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:10.205194Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090950/publication.mdobserved 930a26ed02fd30c1053649d45351fe67...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:10.187059Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090950/publication.txtobserved 8d9f20e02662e061ba62a51fbe56ce1c...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. |
|---|