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Pith Number

pith:Q3PLS5OY

pith:2012:Q3PLS5OYGW7H2Y26ZPQVNXGP26
not attested not anchored not stored refs pending

High-precision Measurements of Ionospheric TEC Gradients with the Very Large Array VHF System

H. T. Intema, J. F. Helmboldt, K. F. Dymond, T. J. W. Lazio

arxiv:1201.3872 v1 · 2012-01-18 · physics.space-ph · astro-ph.IM

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{Q3PLS5OYGW7H2Y26ZPQVNXGP26}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

Record completeness

1 Bitcoin timestamp
2 Internet Archive
3 Author claim open · sign in to claim
4 Citations open
5 Replications open
Portable graph bundle live · download bundle · merged state
The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-05-18T01:58:47.179463Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

86deb975d835be7d635ecbe156dccfd788dddf3501c036dceb4a6ccb785fe24e

Aliases

arxiv: 1201.3872 · arxiv_version: 1201.3872v1 · doi: 10.48550/arxiv.1201.3872 · pith_short_12: Q3PLS5OYGW7H · pith_short_16: Q3PLS5OYGW7H2Y26 · pith_short_8: Q3PLS5OY
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/Q3PLS5OYGW7H2Y26ZPQVNXGP26 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 86deb975d835be7d635ecbe156dccfd788dddf3501c036dceb4a6ccb785fe24e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f254732e2994d192bf1f0eab8fa6a91f8ecb981080698e22d39d4fb815b81761",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "physics.space-ph",
    "submitted_at": "2012-01-18T18:27:43Z",
    "title_canon_sha256": "9af1fa0109362261602327e1c69e5518152624bcff1e0582953918ab62ee3076"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.3872",
    "kind": "arxiv",
    "version": 1
  }
}