Pith Number

pith:4VGFU32N

pith:2015:4VGFU32NO2DKCBRTHZOCB7JNL6

not attested not anchored not stored refs pending

Fluctuating neutron star magnetosphere: braking indices of eight pulsars, frequency second derivatives of 222 pulsars and 15 magnetars

F. F. Kou, G. Q. Ding, H. Tong, Z. W. Ou

arxiv:1512.01679 v2 · 2015-12-05 · 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{4VGFU32NO2DKCBRTHZOCB7JNL6}

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	2026-05-18T01:21:26.183742Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e54c5a6f4d7686a106333e5c20fd2d5f9b6bd7966503246716af1d8c5a516bb2

Aliases

arxiv: 1512.01679 · arxiv_version: 1512.01679v2 · doi: 10.48550/arxiv.1512.01679 · pith_short_12: 4VGFU32NO2DK · pith_short_16: 4VGFU32NO2DKCBRT · pith_short_8: 4VGFU32N

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/4VGFU32NO2DKCBRTHZOCB7JNL6 \
  | 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: e54c5a6f4d7686a106333e5c20fd2d5f9b6bd7966503246716af1d8c5a516bb2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8456d36095858d03e71f21380c1c5907096f621cecdb7703b1d3e4a5fc6c67c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-12-05T15:32:10Z",
    "title_canon_sha256": "48ca3039c88c7a173fc4703c24397fa26d87b016b2c9adb55194247f6b8d20bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.01679",
    "kind": "arxiv",
    "version": 2
  }
}