Pith Number

pith:HTH6DMQO

pith:2013:HTH6DMQOA4SX3B25GSK6IXD52T

not attested not anchored not stored refs pending

Pulsar timing signal from ultralight scalar dark matter

Andrei Khmelnitsky, Valery Rubakov

arxiv:1309.5888 v1 · 2013-09-23 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HTH6DMQOA4SX3B25GSK6IXD52T}

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.

Cited by

4 papers in Pith

Gravitational Wave Birefringence from Fuzzy Dark Matter

Stochastic problems in pulsar timing

Echoes of Global Cosmic Strings

Constraints on Ultralight Scalar and Dark Photon Dark Matter from PPTA-DR3 and EPTA-DR2

Receipt and verification

First computed	2026-05-18T01:47:34.104153Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ccfe1b20e07257d875d3495e45c7dd4e82447d93b5f6d707a451aac15d9828c

Aliases

arxiv: 1309.5888 · arxiv_version: 1309.5888v1 · doi: 10.48550/arxiv.1309.5888 · pith_short_12: HTH6DMQOA4SX · pith_short_16: HTH6DMQOA4SX3B25 · pith_short_8: HTH6DMQO

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/HTH6DMQOA4SX3B25GSK6IXD52T \
  | 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: 3ccfe1b20e07257d875d3495e45c7dd4e82447d93b5f6d707a451aac15d9828c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c09f8e30ee48284dd83ae301204feb29dbef4ab27926c94fd0a637b460b98a9d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-09-23T17:31:22Z",
    "title_canon_sha256": "aad244e11f5a2469ff9e64cbdb066a01b1af5676117d854097d97c30f1a96cfd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.5888",
    "kind": "arxiv",
    "version": 1
  }
}