OT-2026-000028030
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000028030) never changes.
Identity and time
| Publication number | OT-2026-000028030 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a51f-7d8b-92be-779201f85306 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028030 |
| Status | PUBLIC |
Content hashes
| Canonical text | ab33cd6ca6ebc054eaf6c1e4560ace66b3e09524e0129a7e00b8980fe6aac9dc |
|---|---|
| Markdown | 084f27afde50c8967035ee6dc5a30140a83768102b20c6eef5758d76dea4292c |
| Publication page | 9178316b299bf47b03ceaa2de37674312648f9acae84e43341f8813dd413ee2c |
| Manifest | 92d79c5fd0b12cae420d897e105f04c193fe6b01703adb03c3ea3496596a89bc |
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 | Zg/u4WpMhxgNqourULSfydfz3KqtTTfDp3HSn7sKyu5MZ4kRreQ8N6AiCV/foVZECB9dEcj7FtCpkDqipguUDg== |
| 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
| 2026-09-17T11:42:21.010845Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028030observed 9178316b299bf47b03ceaa2de3767431...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:20.993297Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028030/manifest.jsonobserved 92d79c5fd0b12cae420d897e105f04c1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:20.972826Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028030/publication.mdobserved 084f27afde50c8967035ee6dc5a30140...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:20.954018Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028030/publication.txtobserved ab33cd6ca6ebc054eaf6c1e4560ace66...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. |
|---|