Pith Number

pith:HUWR3LDN

pith:2013:HUWR3LDNFV4DERY4ZDOIMGJD2K

not attested not anchored not stored refs pending

Timing Noise Analysis of NANOGrav Pulsars

Andrea Lommen, David Nice, Delphine Perrodin, Fredrick Jenet, Ingrid Stairs, Lee Finn, Marjorie Gonzalez, Paul Demorest, Robert Ferdman, Scott Ransom

arxiv:1311.3693 v1 · 2013-11-14 · astro-ph.HE · astro-ph.GA · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HUWR3LDNFV4DERY4ZDOIMGJD2K}

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	2026-05-18T03:07:03.251463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d2d1dac6d2d7832471cc8dc861923d2bf9bdb97ac2735441aa3abfb786fd2db

Aliases

arxiv: 1311.3693 · arxiv_version: 1311.3693v1 · doi: 10.48550/arxiv.1311.3693 · pith_short_12: HUWR3LDNFV4D · pith_short_16: HUWR3LDNFV4DERY4 · pith_short_8: HUWR3LDN

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/HUWR3LDNFV4DERY4ZDOIMGJD2K \
  | 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: 3d2d1dac6d2d7832471cc8dc861923d2bf9bdb97ac2735441aa3abfb786fd2db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5436da281423271627e4bbae51a4027a6583e22d7b3bdfbf855169d3d3959b0b",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-11-14T22:56:24Z",
    "title_canon_sha256": "f9ca7daa3a270218bddcba864cfa396f57bed887ccd8c6e5cba2890abbbd4d3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.3693",
    "kind": "arxiv",
    "version": 1
  }
}