OT-2026-000053020
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000053020) never changes.
Identity and time
| Publication number | OT-2026-000053020 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a430-7c89-b2be-83fbe223c4e0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:43.524202Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000053020 |
| Status | PUBLIC |
Content hashes
| Canonical text | eb0fd54a5ab483cfe8c25d2b0cb70ece499e80191f0aaa3ee84ac47565278b9e |
|---|---|
| Markdown | 76a88381a41f529a60a56f71e5585cb6a8e577a2c5e30ca069d94f7a5e7cde8e |
| Publication page | 97f71d07c699e18c2c801ce9c7b5f22de3a0b83bf72c7ae8035de310598084ea |
| Manifest | 1754ee2b6862a565b7b9db74d1ae88cf99860334fabf86d788a250716b33e7ce |
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 | e1VMSHFfr04EsjfKZKvnxUa1SUVna2ie8DO05xzurFp9d8TktA2g21rTxXE+c+5/54gXND0SJ72ZdM3cuqntDA== |
| 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
| 2026-09-17T10:56:43.286161Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053020observed 97f71d07c699e18c2c801ce9c7b5f22d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:56:43.267931Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053020/manifest.jsonobserved 1754ee2b6862a565b7b9db74d1ae88cf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:43.250005Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053020/publication.mdobserved 76a88381a41f529a60a56f71e5585cb6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:43.231955Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053020/publication.txtobserved eb0fd54a5ab483cfe8c25d2b0cb70ece...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. |
|---|