OT-2026-000021241
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000021241) never changes.
Identity and time
| Publication number | OT-2026-000021241 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865c-7ef0-a94c-4a21f049b0e5 · 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-2026-000021241 |
| Status | PUBLIC |
Content hashes
| Canonical text | b94e3b360da83a9ca240c4c4fa2a228f921ce11f9f16ae9677d4f8893c9a93d4 |
|---|---|
| Markdown | 695c0f4c9d2f0d08f99377a1a41f4f9c1af86a49520fd794995f1eeea2f13229 |
| Publication page | 772faa982bea4a4578dc8eda1a6a6bdec901b84378ed18f74c3d2b5576024f85 |
| Manifest | 9481b3582b2cd8a6d15a192fe80801d63cf19f908487c04591a58d02ba987849 |
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 | HU6p9GWHrE1aGtU+TeLX9G5Zmsdgrr9aZ/ePn8PmfgIslkoIoSLpt3swsIoKaCbgAAFWdKf3Z7DAAPcDO7ptDA== |
| 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
| 2026-09-17T11:54:54.403859Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021241observed 772faa982bea4a4578dc8eda1a6a6bde...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:54.384825Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021241/manifest.jsonobserved 9481b3582b2cd8a6d15a192fe80801d6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:54.364153Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021241/publication.mdobserved 695c0f4c9d2f0d08f99377a1a41f4f9c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:54.317371Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021241/publication.txtobserved b94e3b360da83a9ca240c4c4fa2a228f...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. |
|---|