OT-2026-000028740
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, pump fed, sustained blow-off before set-down
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-2026-000028740) never changes.
Identity and time
| Publication number | OT-2026-000028740 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2fa-731c-bb5d-ccf7cb85dffe · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028740 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3efebf29a8934c36f3216c524366a0c4f7c256d37f35c7b7024b22b9b0473265 |
|---|---|
| Markdown | a82bccc4cccf9d6b9822f9bfe4ed8a518993b4b25b28c51976cad22a89027adb |
| Publication page | fec372f153bf8e531dcbbc028324b234bbfbc7116edb963574d520cb42ecda96 |
| Manifest | 92c9f2ed52f55d952f84840359ed6b18007c3f58fb46a35ff8eda1a1b5a00014 |
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 | 65yU55FI+9QJ7tkdnDl+w3qrlZNLgZhrQIlOo06MzoEylYo55W1aqUjOMjpOYoQQHZSN6Y7OAEE97DvnF0V6Cg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:41:45.392230Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028740observed fec372f153bf8e531dcbbc028324b234...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:45.372439Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028740/manifest.jsonobserved 92c9f2ed52f55d952f84840359ed6b18...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:45.352521Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028740/publication.mdobserved a82bccc4cccf9d6b9822f9bfe4ed8a51...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:45.334566Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028740/publication.txtobserved 3efebf29a8934c36f3216c524366a0c4...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. |
|---|