OT-2026-000004386
Publication integrity record
Bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, pressure verified
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-2026-000004386) never changes.
Identity and time
| Publication number | OT-2026-000004386 · never reused |
|---|---|
| Internal UUID | 01a0a915-ed3c-70b9-9b3d-9a9afd667c32 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:19:41.631170Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004386 |
| Status | PUBLIC |
Content hashes
| Canonical text | 451f2d02db1609fc379bfbcd1010fa7db9f37f045d4ab44cea4e9bb6de104921 |
|---|---|
| Markdown | 2801bf9259d2341f4bef43c36b47ef757a956979b09ff9eec12703f513dac0d2 |
| Publication page | f9cb4793e11db03b8d17e6ed230c755f1fec09cf33d96a74421856d264386d54 |
| Manifest | ba02101dc210960b892307ef7b9ce703f7a55161c50117c03f73438f2ca90abb |
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 | DhSvy4d/f1J4PsF5l7om/BVe0ZEXdltX4zKp526T4KDCubT7MWNKe4I+BARd6ouCCB5bK0rGb/pjuUa9a+tIBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:20:03.707515Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004386observed f9cb4793e11db03b8d17e6ed230c755f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:03.693903Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004386/manifest.jsonobserved ba02101dc210960b892307ef7b9ce703...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:03.678181Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004386/publication.mdobserved 2801bf9259d2341f4bef43c36b47ef75...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:03.664611Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004386/publication.txtobserved 451f2d02db1609fc379bfbcd1010fa7d...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. |
|---|