Pith Number

pith:5KF2XJIS

pith:2019:5KF2XJIS4J6HT622W5LNIYZR7X

not attested not anchored not stored refs pending

Astro2020 Science White Paper: The Formation and Evolution of Multiple Star Systems

Doug Johnstone (NRC - Herzberg), Ian Stephens (Harvard-Smithsonian Center for Astrophysics), Joel Green (STSci), John J. Tobin (NRAO), Kaitlin M. Kratter (University of Arizona), Leslie Looney (University of Illinois), Marina Kounkel (University of Western Washington), Michael M. Dunham (SUNY - Fredonia), Patrick Sheehan (National Radio Astronomy Observatory), Rob Gutermuth (University of Massachusetts), Sarah Sadavoy (Harvard-Smithsonian Center for Astrophysics), Stella Offner (University of Texas at Austin), S. Thomas Megeath (University of Toledo), Will Fischer (STSci), Yao-Lun Yang (University of Texas), Zhi-Yun Li (University of Virginia)

arxiv:1904.08442 v1 · 2019-04-17 · 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{5KF2XJIS4J6HT622W5LNIYZR7X}

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	2026-05-17T23:48:14.220285Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea8baba512e27c79fb5ab756d46331fdc5efa6df5ed8bdd56f52f8cd57d471fe

Aliases

arxiv: 1904.08442 · arxiv_version: 1904.08442v1 · doi: 10.48550/arxiv.1904.08442 · pith_short_12: 5KF2XJIS4J6H · pith_short_16: 5KF2XJIS4J6HT622 · pith_short_8: 5KF2XJIS

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/5KF2XJIS4J6HT622W5LNIYZR7X \
  | 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: ea8baba512e27c79fb5ab756d46331fdc5efa6df5ed8bdd56f52f8cd57d471fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "196ef102a4ec6027d6ff71e4cbd8d2c876296cbf89058c84a35f34e38a0f069b",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-04-17T18:16:56Z",
    "title_canon_sha256": "57a071a8c29e2f49bb7a2c6e17e48b95c0b41903c87c4d94280c40ec56756b96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.08442",
    "kind": "arxiv",
    "version": 1
  }
}