Pith Number

pith:KOAPDI4O

pith:2014:KOAPDI4O7TQ5QIZBDYWNYYE6I4

not attested not anchored not stored refs pending

The HD5980 multiple system: Masses and evolutionary status

D. John Hillier, Fabian R. N. Schneider, Gloria Koenigsberger, Nicolas Gonzalez-Jimenez, Nidia Morrell, Norbert Langer, Roberto Gamen, Rodolfo Barba

arxiv:1408.0556 v1 · 2014-08-04 · 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{KOAPDI4O7TQ5QIZBDYWNYYE6I4}

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	2026-05-18T01:42:25.889402Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5380f1a38efce1d823211e2cdc609e472bcd3c532fb593dc034078eb76fa0793

Aliases

arxiv: 1408.0556 · arxiv_version: 1408.0556v1 · doi: 10.48550/arxiv.1408.0556 · pith_short_12: KOAPDI4O7TQ5 · pith_short_16: KOAPDI4O7TQ5QIZB · pith_short_8: KOAPDI4O

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/KOAPDI4O7TQ5QIZBDYWNYYE6I4 \
  | 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: 5380f1a38efce1d823211e2cdc609e472bcd3c532fb593dc034078eb76fa0793

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfbdf5ea9fd0f610bcd565b3c0c735ddbd66ee5a6e18c9c04e1fa1d21e7bdc23",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-08-04T00:18:52Z",
    "title_canon_sha256": "db537e7ac570a12246ab7b2d8985b9be7d428344e55ff3da2054693471502ecb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.0556",
    "kind": "arxiv",
    "version": 1
  }
}