OT-2026-000057509
Publication integrity record
Single cup vacuum gripper, two stage ejector, 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-2026-000057509) never changes.
Identity and time
| Publication number | OT-2026-000057509 · never reused |
|---|---|
| Internal UUID | 01a0ae88-2692-77f3-ad93-dbdb54eff769 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:33.513637Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057509 |
| Status | PUBLIC |
Content hashes
| Canonical text | a5d1e04969cab158ba2acb7b7bde48c39f33d73fd3b25bfa5687e9fbcf1666e7 |
|---|---|
| Markdown | 5183f53558f404bd362f812e132c439dc48fafa61031a67e605b448f831bd0a2 |
| Publication page | f38f2ca865ae8d6a522be2d80b7de6186426d2be276dfaa46ef729ba6361cdf1 |
| Manifest | 858fe7221285b196bac3222bed8d23e0cf8dc06acbff162be8a91651693a4a64 |
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 | yz3YGLj8coM5BjCFNLV7xMlQo8JjdJjcY6nW/QEkIDzSjSCcV6p8Oav9bLmDZ3GlppUD0qemDy4EOpVWis8KAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|
Independent retrieval
| 2026-09-17T10:48:02.339172Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057509observed f38f2ca865ae8d6a522be2d80b7de618...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:48:02.322539Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057509/manifest.jsonobserved 858fe7221285b196bac3222bed8d23e0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:48:02.305949Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057509/publication.mdobserved 5183f53558f404bd362f812e132c439d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:48:02.289323Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057509/publication.txtobserved a5d1e04969cab158ba2acb7b7bde48c3...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. |
|---|