Pith Number

pith:EPQYDH32

pith:2015:EPQYDH323YHAAXR6N3G44FE2K3

not attested not anchored not stored refs pending

Wolf-Rayet stars as an evolved stage of stellar life

Cyril Georgy, Georges Meynet, Jos\'e Groh, Patrick Eggenberger, Raphael Hirschi, Sylvia Ekstr\"om

arxiv:1508.04650 v1 · 2015-08-19 · 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{EPQYDH323YHAAXR6N3G44FE2K3}

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	2026-05-18T01:35:02.172304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23e1819f7ade0e005e3e6ecdce149a56c2454e8605cb9c40a3c9940303862969

Aliases

arxiv: 1508.04650 · arxiv_version: 1508.04650v1 · doi: 10.48550/arxiv.1508.04650 · pith_short_12: EPQYDH323YHA · pith_short_16: EPQYDH323YHAAXR6 · pith_short_8: EPQYDH32

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/EPQYDH323YHAAXR6N3G44FE2K3 \
  | 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: 23e1819f7ade0e005e3e6ecdce149a56c2454e8605cb9c40a3c9940303862969

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ff2e03a961619c4e05248332438fbd316620ebddd1496afc2bcda12fe87f707",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-08-19T14:13:28Z",
    "title_canon_sha256": "c381c5dd54cb92251e8b5eb84b449487dd1f7260f0d9bbf60656913d31bca09f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.04650",
    "kind": "arxiv",
    "version": 1
  }
}