pith. sign in
Pith Number

pith:WVKZCSST

pith:2004:WVKZCSSTUVXMRKQMWW26ZUEFTJ
not attested not anchored not stored refs pending

UYSO 1 - An Extremely Young Massive Stellar Object

2), (2) AIU Jena, 3), (3) MPE Garching, (4) MPIA Heidelberg), B. Posselt (2, J. Forbrich (1, K. Schreyer (2), R. Klein (3), Th. Henning (4) ((1) MPIfR Bonn

arxiv:astro-ph/0402015 v1 · 2004-02-01 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{WVKZCSSTUVXMRKQMWW26ZUEFTJ}

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 2026-05-18T00:52:34.835902Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

b555914a53a56ec8aa0cb5b5ecd0859a7787495d3ed9c6a10169e30cfa4c7ce9

Aliases

arxiv: astro-ph/0402015 · arxiv_version: astro-ph/0402015v1 · doi: 10.48550/arxiv.astro-ph/0402015 · pith_short_12: WVKZCSSTUVXM · pith_short_16: WVKZCSSTUVXMRKQM · pith_short_8: WVKZCSST
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/WVKZCSSTUVXMRKQMWW26ZUEFTJ \
  | 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: b555914a53a56ec8aa0cb5b5ecd0859a7787495d3ed9c6a10169e30cfa4c7ce9
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "ed4a852bfff17b12da7beb2512ad05b32188e8aa4a3e7422a27986a2f1bec248",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-02-01T21:42:05Z",
    "title_canon_sha256": "2674f3f6bd8c6a9004cc6b5d33acacc28a825f7c98bc85a3d6dd62d4b85140d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0402015",
    "kind": "arxiv",
    "version": 1
  }
}