Pith Number

pith:7SCI33W6

pith:2005:7SCI33W6ZR2OD7F5B43XL3EEU3

not attested not anchored not stored refs pending

The sensitivity of Lick indices to abundance variations

A.J. Korn, C. Maraston, D. Thomas (MPE Garching, Germany)

arxiv:astro-ph/0504574 v1 · 2005-04-26 · 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{7SCI33W6ZR2OD7F5B43XL3EEU3}

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	2026-07-04T16:52:15.834835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc848deedecc74e1fcbd0f3775ec84a6e736923432a130293c31fd637d62e630

Aliases

arxiv: astro-ph/0504574 · arxiv_version: astro-ph/0504574v1 · doi: 10.48550/arxiv.astro-ph/0504574 · pith_short_12: 7SCI33W6ZR2O · pith_short_16: 7SCI33W6ZR2OD7F5 · pith_short_8: 7SCI33W6

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/7SCI33W6ZR2OD7F5B43XL3EEU3 \
  | 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: fc848deedecc74e1fcbd0f3775ec84a6e736923432a130293c31fd637d62e630

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ef258b5f2b56e5fd7186a0ebd60b882310d6c1ec6206330402180a7a21a33d1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-04-26T13:30:15Z",
    "title_canon_sha256": "f7264416b1f400b079e94421a6b0405b0038662be4341c84c6992ef287b80623"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0504574",
    "kind": "arxiv",
    "version": 1
  }
}