OT-2026-000072488
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000072488) never changes.
Identity and time
| Publication number | OT-2026-000072488 · never reused |
|---|---|
| Internal UUID | 01a0ae92-89d8-7e87-af82-b1f441aca750 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:54.283203Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000072488 |
| Status | PUBLIC |
Content hashes
| Canonical text | 83bcb0d0b4961b28517467b0e8bd7ea09836f6111569591af15c788761c51da5 |
|---|---|
| Markdown | 3eb389e3ee0b19daa9207982931e91930295f60904137ab83c2c04ed93907712 |
| Publication page | c31b0c4835221a7e5796740b19703d20c55d673c1ee7dc85b03a112f735d9d04 |
| Manifest | 318e9cd9533aa03a3ebc3bfb10673c31734db6d8afbd788aba1b817a64783911 |
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 | 5F2KHzvNOYC+ssnovip9XIiyTyoszAl8+EGQjjW/P2DF5jOaDpR6+U6ChM7kj4iB7hq0lq9D/Wy6h9oL9P6nBA== |
| 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
| 2026-09-17T10:22:04.386319Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072488observed c31b0c4835221a7e5796740b19703d20...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:22:04.368773Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072488/manifest.jsonobserved 318e9cd9533aa03a3ebc3bfb10673c31...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:22:04.350989Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072488/publication.mdobserved 3eb389e3ee0b19daa9207982931e9193...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:22:04.173781Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072488/publication.txtobserved 83bcb0d0b4961b28517467b0e8bd7ea0...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. |
|---|