Pith Number

pith:DFVJ4KE3

pith:2012:DFVJ4KE3SPYA7URWVTZ2PTTM6A

not attested not anchored not stored refs pending

A New Technique for Spectral Analysis of Ionospheric TEC Fluctuations Observed with the Very Large Array VHF System: From QP Echoes to MSTIDs

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

arxiv:1201.3874 v1 · 2012-01-18 · physics.space-ph · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DFVJ4KE3SPYA7URWVTZ2PTTM6A}

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

Studying Ionospheric Phase Structure Functions Using Wide-Band uGMRT (Band-4) Interferometric Data

Receipt and verification

First computed	2026-05-18T01:58:47.170827Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

196a9e289b93f00fd236acf3a7ce6cf0175be8380991d7fb9e6a5bde04c8ce6d

Aliases

arxiv: 1201.3874 · arxiv_version: 1201.3874v1 · doi: 10.48550/arxiv.1201.3874 · pith_short_12: DFVJ4KE3SPYA · pith_short_16: DFVJ4KE3SPYA7URW · pith_short_8: DFVJ4KE3

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/DFVJ4KE3SPYA7URWVTZ2PTTM6A \
  | 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: 196a9e289b93f00fd236acf3a7ce6cf0175be8380991d7fb9e6a5bde04c8ce6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c3072f41bf4bc8a09af4ef9cc68f3fdbc257c631282fd9da50a22c62295bedd",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "physics.space-ph",
    "submitted_at": "2012-01-18T18:38:22Z",
    "title_canon_sha256": "628ee370fd446a483ccfa26ec0cf36f732978f976dbc2551cfe6fd874e3c4dc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.3874",
    "kind": "arxiv",
    "version": 1
  }
}