Pith Number

pith:FHLVDTCR

pith:2021:FHLVDTCRR3XZXPZ76424K6RSX7

not attested not anchored not stored refs pending

Close binary evolution based on Gaia DR2: the origin of late WC-type Wolf-Rayet stars with low luminosity

Andre Maeder, Cyril Georgy, Fabio Barblan, Gang Long, Georges Meynet, Hanfeng Song, Liuyan Zhao, Ruiyu Zhang, Sylvia Ekstr\"omt, Weiguo Peng, Ying Qin

arxiv:2111.13305 v1 · 2021-11-26 · 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{FHLVDTCRR3XZXPZ76424K6RSX7}

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	2026-07-05T03:55:11.881180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29d751cc518eef9bbf3ff735c57a32bfdfc32375f4af5e90c00f0af72576b395

Aliases

arxiv: 2111.13305 · arxiv_version: 2111.13305v1 · doi: 10.48550/arxiv.2111.13305 · pith_short_12: FHLVDTCRR3XZ · pith_short_16: FHLVDTCRR3XZXPZ7 · pith_short_8: FHLVDTCR

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/FHLVDTCRR3XZXPZ76424K6RSX7 \
  | 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: 29d751cc518eef9bbf3ff735c57a32bfdfc32375f4af5e90c00f0af72576b395

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8789685a6e30d6a8b9a474ca60930d9a0241eb7f93d629b5e6d67043d94b6068",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-11-26T03:39:59Z",
    "title_canon_sha256": "5d4a7c665e87d3d2aaa852d4b5ae955e3a1e8c973ea923ba10198bc1ca6a99f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.13305",
    "kind": "arxiv",
    "version": 1
  }
}