Pith Number

pith:WYVFGCQA

pith:2001:WYVFGCQATWT2OG72J5S2YBQZK3

not attested not anchored not stored refs pending

Radioactivities in Population Studies: 26Al and 60Fe from OB Associations

D.H. Hartmann, K. Kretschmer, R. Diehl, S. Plueschke, U. Oberlack

arxiv:astro-ph/0104052 v1 · 2001-04-03 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WYVFGCQATWT2OG72J5S2YBQZK3}

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	2026-05-18T02:04:00.826522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b62a530a009da7a71bfa4f65ac061956d2c49b8e45f982dba80415a952f94158

Aliases

arxiv: astro-ph/0104052 · arxiv_version: astro-ph/0104052v1 · doi: 10.48550/arxiv.astro-ph/0104052 · pith_short_12: WYVFGCQATWT2 · pith_short_16: WYVFGCQATWT2OG72 · pith_short_8: WYVFGCQA

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/WYVFGCQATWT2OG72J5S2YBQZK3 \
  | 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: b62a530a009da7a71bfa4f65ac061956d2c49b8e45f982dba80415a952f94158

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bacd97c4f6f0d0aee771f69ed5ba74edba99e9a3938dddceae92fe3535a216aa",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-04-03T14:10:21Z",
    "title_canon_sha256": "ccdada10d86278cfa2169eddc5435734aed75d1a5ca6b239d1e0edf7100b1c57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0104052",
    "kind": "arxiv",
    "version": 1
  }
}