Pith Number

pith:E7NM5QXP

pith:2013:E7NM5QXPSUQJRFMKAVM6YVNOKQ

not attested not anchored not stored refs pending

R144 : a very massive binary likely ejected from R136 through a binary-binary encounter

Germany), Pavel Kroupa, Sambaran Banerjee (University of Bonn, Seungkyung Oh

arxiv:1311.2934 v1 · 2013-11-12 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E7NM5QXPSUQJRFMKAVM6YVNOKQ}

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	2026-05-18T01:46:31.835751Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27dacec2ef952098958a0559ec55ae541b7a9e5426f4997ae91b2ef7c0c2c0d1

Aliases

arxiv: 1311.2934 · arxiv_version: 1311.2934v1 · doi: 10.48550/arxiv.1311.2934 · pith_short_12: E7NM5QXPSUQJ · pith_short_16: E7NM5QXPSUQJRFMK · pith_short_8: E7NM5QXP

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/E7NM5QXPSUQJRFMKAVM6YVNOKQ \
  | 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: 27dacec2ef952098958a0559ec55ae541b7a9e5426f4997ae91b2ef7c0c2c0d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab06b7a5c4d84090602f113d88c5c5845c32b3b68e973b5d95fea227d91b3cd3",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-11-12T21:00:02Z",
    "title_canon_sha256": "79d67e4d14b53b39d5041467b4cd15fb9a614947b05c195b0dcf2a83548b8122"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.2934",
    "kind": "arxiv",
    "version": 1
  }
}