Pith Number

pith:PMDGBNWE

pith:2018:PMDGBNWE3FUX5OD47XD2SFCLEK

not attested not anchored not stored refs pending

Total gravitational mass of the Galactic Double Neutron Star systems: evidence for a bimodal distribution

Da-Ming Wei, Jin-Liang Jiang, Xiang Li, Yi-Zhong Fan, Yong-Jia Huang, Zhi-Ping Jin

arxiv:1804.03101 v1 · 2018-04-09 · astro-ph.HE · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PMDGBNWE3FUX5OD47XD2SFCLEK}

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	2026-05-18T00:18:56.833548Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b0660b6c4d9697eb87cfdc7a9144b229f5572d5c1247ea173522113e0b4f10c

Aliases

arxiv: 1804.03101 · arxiv_version: 1804.03101v1 · doi: 10.48550/arxiv.1804.03101 · pith_short_12: PMDGBNWE3FUX · pith_short_16: PMDGBNWE3FUX5OD4 · pith_short_8: PMDGBNWE

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/PMDGBNWE3FUX5OD47XD2SFCLEK \
  | 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: 7b0660b6c4d9697eb87cfdc7a9144b229f5572d5c1247ea173522113e0b4f10c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad2f542fdafdb66418ca53d71f0b4e0bb370a49a48c62cd0ece9bd690f4c7aa8",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-04-09T16:59:40Z",
    "title_canon_sha256": "815a37a470d7c1c2cbe7c7a7d69ead3ecf348facc060fa3e20bb35722207b7d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.03101",
    "kind": "arxiv",
    "version": 1
  }
}