Pith Number

pith:RKULWB4F

pith:2015:RKULWB4F75SXUWZLWIXWMBKVFE

not attested not anchored not stored refs pending

Systematic and Stochastic Variations in Pulsar Dispersion Measures

James M. Cordes, John W. Armstrong, Maura A. McLaughlin, Megan L. Jones, Michael T. Lam, Shami Chatterjee

arxiv:1512.02203 v2 · 2015-12-07 · 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{RKULWB4F75SXUWZLWIXWMBKVFE}

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	2026-05-18T01:03:44.246143Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8aa8bb0785ff657a5b2bb22f6605552915ed7fb8aeea091a3913291c7810f0a7

Aliases

arxiv: 1512.02203 · arxiv_version: 1512.02203v2 · doi: 10.48550/arxiv.1512.02203 · pith_short_12: RKULWB4F75SX · pith_short_16: RKULWB4F75SXUWZL · pith_short_8: RKULWB4F

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/RKULWB4F75SXUWZLWIXWMBKVFE \
  | 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: 8aa8bb0785ff657a5b2bb22f6605552915ed7fb8aeea091a3913291c7810f0a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07a032d7645283b0e1dd120ea6da7b94cfb83f94fd92bc7ef766b8956ac35e97",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-12-07T20:40:22Z",
    "title_canon_sha256": "29e5c29a906758ef37ae4d2f96caaa24dad1d10ac633c2717b55fa8a4ba4caff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.02203",
    "kind": "arxiv",
    "version": 2
  }
}