OT-2026-000022980
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000022980) never changes.
Identity and time
| Publication number | OT-2026-000022980 · never reused |
|---|---|
| Internal UUID | 01a0ae70-46ec-7832-92d3-6ff338f49d02 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:28.929798Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000022980 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4e14dd5bfdb28c4ccc9015a77a365c45d6482f1558403e1aa61398a431935542 |
|---|---|
| Markdown | afa46fa22fa0578969b40599f199ff7d927786f44581bde3ba159a0fb4976504 |
| Publication page | fdde4b26ee6a82219b5b8bcf17aec00f380a99f3a81d9edc8a3d6adbf5403045 |
| Manifest | 7b906dd3a71baf7347a1b761010c09f73f42bac11bfe07cd34e5a5096c964f47 |
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 | aG1OyGhX4jaUIFBDan1qMFq7K7DlKEzCneSTQQfLbwBQebU+54O3NHiqEPxNtGh3I3ck9TBOl6ymNdRe+nRXCw== |
| 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
| 2026-09-17T11:52:34.231469Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022980observed fdde4b26ee6a82219b5b8bcf17aec00f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:52:34.213904Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022980/manifest.jsonobserved 7b906dd3a71baf7347a1b761010c09f7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:52:34.194983Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022980/publication.mdobserved afa46fa22fa0578969b40599f199ff7d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:52:34.175834Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022980/publication.txtobserved 4e14dd5bfdb28c4ccc9015a77a365c45...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. |
|---|