OT-2026-000052415
Publication integrity record
Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000052415) never changes.
Identity and time
| Publication number | OT-2026-000052415 · never reused |
|---|---|
| Internal UUID | 01a0ae84-5739-7f1f-b639-a9d1b5777b88 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:23.819394Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052415 |
| Status | PUBLIC |
Content hashes
| Canonical text | 49c2d08da2b1d0b021932a2df6e8e5035d380ca46a5fcd9dfc0ed5f5e8d5e41f |
|---|---|
| Markdown | 53f3caa646cfd333fb7bf89ce19a142e268e0b8845a55e85fbeb7068a4734954 |
| Publication page | f2e017f9118b4a8e883faf6b7c264999df55fc97203b7cfd37da7d4ca9f833fb |
| Manifest | 9851bd65ef63586d515c2f700ca8f7639b235879fdc4e3aacf21d40d8ca5507e |
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 | NK50/uA7m1pwuo05DC9j4wpcQunRq5jcw/h8Fct57Va1LJHOAY7psI4cBM4n3zR3RLOmDqyN3In8QIYkfjC7Dw== |
| 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... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:57:01.769871Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052415observed f2e017f9118b4a8e883faf6b7c264999...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:01.751355Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052415/manifest.jsonobserved 9851bd65ef63586d515c2f700ca8f763...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:01.732446Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052415/publication.mdobserved 53f3caa646cfd333fb7bf89ce19a142e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:01.710239Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052415/publication.txtobserved 49c2d08da2b1d0b021932a2df6e8e503...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. |
|---|