Pith Number

pith:OBICH3U4

pith:2012:OBICH3U47JH7CCH77WNSW7O26C

not attested not anchored not stored refs pending

Influence of the polar cap current on pulsar polarization

D. Kumar, R. T. Gangadhara

arxiv:1202.1921 v2 · 2012-02-09 · 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{OBICH3U47JH7CCH77WNSW7O26C}

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	2026-05-18T03:49:11.768761Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

705023ee9cfa4ff108fffd9b2b7ddaf0b8c47862b4563100e1d4e356290f36c1

Aliases

arxiv: 1202.1921 · arxiv_version: 1202.1921v2 · doi: 10.48550/arxiv.1202.1921 · pith_short_12: OBICH3U47JH7 · pith_short_16: OBICH3U47JH7CCH7 · pith_short_8: OBICH3U4

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/OBICH3U47JH7CCH77WNSW7O26C \
  | 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: 705023ee9cfa4ff108fffd9b2b7ddaf0b8c47862b4563100e1d4e356290f36c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca5a1d2a3fa985ef178fcd24f48a5915a13ecf225694bacdb29cbbd3825afed7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-02-09T09:21:44Z",
    "title_canon_sha256": "f4dc5c7722a387d28aeb5256077d1eb4cda43c2b95d432e6c99fc8794656d112"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.1921",
    "kind": "arxiv",
    "version": 2
  }
}