Pith Number

pith:KZS4VOKT

pith:2019:KZS4VOKTDU4WARG5MAY3QRD2LZ

not attested not anchored not stored refs pending

Pulsar Timing Probes of Primordial Black Holes and Subhalos

Harikrishnan Ramani, Jeff A. Dror, Kathryn M. Zurek, Tanner Trickle

arxiv:1901.04490 v3 · 2019-01-14 · astro-ph.CO · astro-ph.HE · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KZS4VOKTDU4WARG5MAY3QRD2LZ}

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	2026-05-17T23:39:39.950650Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5665cab9531d396044dd6031b8447a5e6ba1ff6d31a8b509d887d15509b7adce

Aliases

arxiv: 1901.04490 · arxiv_version: 1901.04490v3 · doi: 10.48550/arxiv.1901.04490 · pith_short_12: KZS4VOKTDU4W · pith_short_16: KZS4VOKTDU4WARG5 · pith_short_8: KZS4VOKT

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/KZS4VOKTDU4WARG5MAY3QRD2LZ \
  | 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: 5665cab9531d396044dd6031b8447a5e6ba1ff6d31a8b509d887d15509b7adce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74d2fc5aa381eda330d7fcab6f15cc7ff423a41f586a575422d2218b5d6e9b43",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-01-14T19:00:00Z",
    "title_canon_sha256": "44168fb18569cf89b8277cb6f2b1fc5a4b199514afb9139533180286ee515f90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.04490",
    "kind": "arxiv",
    "version": 3
  }
}