Pith Number

pith:NJX4NR54

pith:2014:NJX4NR54M4X4YQ2UHFDVFCABHV

not attested not anchored not stored refs pending

The properties of single WO stars

A. de Koter, F. Tramper, G. Gr\"afener, H. Sana, J.S. Vink, L. Kaper, N. Langer, S.M. Straal

arxiv:1407.5897 v1 · 2014-07-21 · 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{NJX4NR54M4X4YQ2UHFDVFCABHV}

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	2026-05-18T01:42:33.075948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a6fc6c7bc672fcc435439475288013d5128a0fa729d6e17d79fbff295d441dc

Aliases

arxiv: 1407.5897 · arxiv_version: 1407.5897v1 · doi: 10.48550/arxiv.1407.5897 · pith_short_12: NJX4NR54M4X4 · pith_short_16: NJX4NR54M4X4YQ2U · pith_short_8: NJX4NR54

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/NJX4NR54M4X4YQ2UHFDVFCABHV \
  | 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: 6a6fc6c7bc672fcc435439475288013d5128a0fa729d6e17d79fbff295d441dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b10231019f56c46214e695cf98021b57820c272656edf9a5d3ac02155bef860f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-07-21T18:20:49Z",
    "title_canon_sha256": "c203133c38ebd98bda565333d2d268aceae626c3d01e4cd2baca99619ca92b25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.5897",
    "kind": "arxiv",
    "version": 1
  }
}