Pith Number

pith:72X4YRZU

pith:2018:72X4YRZUIGVZIAT4VGYRMQV6WY

not attested not anchored not stored refs pending

On the orbital properties of millisecond pulsar binaries

(2) Mullard Space Science Laboratory UCL, 3), (3) Nanjing University, (4) National Tsing Hua University, 5), (5) University of Oxford, (6) Sun Yat-Sen University), A.K.H. Kong (4, C. Y. Hui (1), Kinwah Wu (2), P.H.T. Tam (6) ((1) Chungnam National University, Qin Han (2

arxiv:1807.09001 v1 · 2018-07-24 · 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{72X4YRZUIGVZIAT4VGYRMQV6WY}

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	2026-05-18T00:06:37.313242Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

feafcc473441ab94027ca9b11642beb618027b0bd45c9d09ec548f004ae0ef76

Aliases

arxiv: 1807.09001 · arxiv_version: 1807.09001v1 · doi: 10.48550/arxiv.1807.09001 · pith_short_12: 72X4YRZUIGVZ · pith_short_16: 72X4YRZUIGVZIAT4 · pith_short_8: 72X4YRZU

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/72X4YRZUIGVZIAT4VGYRMQV6WY \
  | 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: feafcc473441ab94027ca9b11642beb618027b0bd45c9d09ec548f004ae0ef76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0779a0ec8150210148dd325246dd35da8ff5d6feeabd87c61ae8811bfb198a25",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-07-24T09:57:29Z",
    "title_canon_sha256": "4c0def064844d1fa8556579943e9c33968d9f2e9248c96cec9c41f2ae83dfff1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.09001",
    "kind": "arxiv",
    "version": 1
  }
}