Pith Number

pith:NGW6DJJL

pith:2013:NGW6DJJLPYEDVDIACAIO3U4AXS

not attested not anchored not stored refs pending

Drifting, moding, and nulling: another look at pulsar B1918+19

Andrew M. Brown, Geoffrey A.E. Wright, Joanna M. Rankin

arxiv:1304.7697 v1 · 2013-04-29 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NGW6DJJLPYEDVDIACAIO3U4AXS}

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	2026-05-18T01:50:14.630794Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69ade1a52b7e083a8d001010edd380bc9d66bb6e04c8fa7da3f951fe1344166d

Aliases

arxiv: 1304.7697 · arxiv_version: 1304.7697v1 · doi: 10.48550/arxiv.1304.7697 · pith_short_12: NGW6DJJLPYED · pith_short_16: NGW6DJJLPYEDVDIA · pith_short_8: NGW6DJJL

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/NGW6DJJLPYEDVDIACAIO3U4AXS \
  | 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: 69ade1a52b7e083a8d001010edd380bc9d66bb6e04c8fa7da3f951fe1344166d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb63f904ffc5462ca4377f9dec0ca4d89eed56cb338fe5bb27f1ae7ad75cb6a3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-04-29T16:05:55Z",
    "title_canon_sha256": "6d946de8656ea4ecf8bc7b176371a3455f979c8d70f1e87064bbbc468e81d3d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.7697",
    "kind": "arxiv",
    "version": 1
  }
}