Pith Number

pith:NEEPQCAK

pith:2013:NEEPQCAKCM5JLB2L57WVPE2I4S

not attested not anchored not stored refs pending

Role of rotation and polar cap current on pulsar radio emission and polarization

D. Kumar, R. T. Gangadhara

arxiv:1303.2787 v1 · 2013-03-12 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NEEPQCAKCM5JLB2L57WVPE2I4S}

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

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.

Receipt and verification

First computed	2026-05-18T01:51:08.341625Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6908f8080a133a95874befed579348e486846d75cd1c9776bb17911f51e3a795

Aliases

arxiv: 1303.2787 · arxiv_version: 1303.2787v1 · doi: 10.48550/arxiv.1303.2787 · pith_short_12: NEEPQCAKCM5J · pith_short_16: NEEPQCAKCM5JLB2L · pith_short_8: NEEPQCAK

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/NEEPQCAKCM5JLB2L57WVPE2I4S \
  | 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: 6908f8080a133a95874befed579348e486846d75cd1c9776bb17911f51e3a795

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f327aa7ccbe0c09503096ddc81b7b6c4ae73daacfdaaa7d96800b309ace7576",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-03-12T06:45:25Z",
    "title_canon_sha256": "eeed6c8f3e607cdf21954553de6587f4903b9be8a88f0bfeb3befe6fec0ff4b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.2787",
    "kind": "arxiv",
    "version": 1
  }
}