OT-2026-000057653
Publication integrity record
Single cup vacuum gripper, common isolation valve, plant vacuum 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-2026-000057653) never changes.
Identity and time
| Publication number | OT-2026-000057653 · never reused |
|---|---|
| Internal UUID | 01a0ae88-2694-78dc-9928-f6979c39a24e · 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-2026-000057653 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7aa5498cda9a1568fed0cf77a5f5c6aa065e046b38a93e5c4eee1dc53e009946 |
|---|---|
| Markdown | 9897dab841d18c62f758e6002d0314ce729b7f646cbdd98c68c9eb3f0049a7ce |
| Publication page | c72d5bddf77c0eca39d20db01430df24b06fa5dde8df5acb2f808ea52bb114a0 |
| Manifest | 855cfa427f4c4b0b96d9968de2f9037f1e536fa232a65921e800abdb461a6da5 |
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 | GIr3LhSwDzUWL1pNxqwHKFXzeXMDCLqbz9b4M79LDWz9MJzOwgOwA5lZ4uH3qfsyBoHBhvXCIyqX0EldXz6ABA== |
| 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
| 2026-09-17T10:48:13.213746Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057653observed c72d5bddf77c0eca39d20db01430df24...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:48:13.196396Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057653/manifest.jsonobserved 855cfa427f4c4b0b96d9968de2f9037f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:48:13.177820Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057653/publication.mdobserved 9897dab841d18c62f758e6002d0314ce...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:48:13.160165Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057653/publication.txtobserved 7aa5498cda9a1568fed0cf77a5f5c6aa...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. |
|---|