OT-2026-000021138
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000021138) never changes.
Identity and time
| Publication number | OT-2026-000021138 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865b-7772-a2af-b468b25f8b70 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021138 |
| Status | PUBLIC |
Content hashes
| Canonical text | e9518c16b5702fc3141e48cadaf93e86a54e6b9ed68001adce7d13fbfcde4591 |
|---|---|
| Markdown | df8c0407997ca4a84a42f6ffee227ae7d48f16147cb076834fb3fbbfce15a976 |
| Publication page | 02d9aed72907fa2a6a8a51bb4e88c9acd94f137d12e89d964285514e3d4fac1b |
| Manifest | 0992946c739eb8b78accafd9300678ccd0d6a576fbedf1087bb6c721f57cdc5e |
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 | 1yxFuxnM5Z0gDk7bPrl8BjDv/Xx31M5CwT3nQWEiymtw4e4Nj/NdGl6WNf5/7bMV2IIuRYl3WhN21pZpf0E2BQ== |
| 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
| 2026-09-17T11:54:53.486767Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021138observed 02d9aed72907fa2a6a8a51bb4e88c9ac...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:53.468420Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021138/manifest.jsonobserved 0992946c739eb8b78accafd9300678cc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:53.449663Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021138/publication.mdobserved df8c0407997ca4a84a42f6ffee227ae7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:53.430599Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021138/publication.txtobserved e9518c16b5702fc3141e48cadaf93e86...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. |
|---|