Pith Number

pith:7GDNR7ZJ

pith:2003:7GDNR7ZJME554YT5TCNS5NPFHV

not attested not anchored not stored refs pending

The characteristic stellar mass as a function of redshift

Cathie J. Clarke, Volker Bromm

arxiv:astro-ph/0305178 v1 · 2003-05-11 · 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{7GDNR7ZJME554YT5TCNS5NPFHV}

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	2026-07-04T16:37:07.272994Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f986d8ff29613bde627d989b2eb5e53d7c5acf1baa4014af8b7f7737aa073e7e

Aliases

arxiv: astro-ph/0305178 · arxiv_version: astro-ph/0305178v1 · doi: 10.48550/arxiv.astro-ph/0305178 · pith_short_12: 7GDNR7ZJME55 · pith_short_16: 7GDNR7ZJME554YT5 · pith_short_8: 7GDNR7ZJ

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/7GDNR7ZJME554YT5TCNS5NPFHV \
  | 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: f986d8ff29613bde627d989b2eb5e53d7c5acf1baa4014af8b7f7737aa073e7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "adf1a116b0e28abb7b98306ba4934b351828ea4c607dae451382efc7890b1c25",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-05-11T21:11:46Z",
    "title_canon_sha256": "93c2a08928816746e6aa9a719c4596e43f18ee4c9fbb848f6bed71fd58f30b7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0305178",
    "kind": "arxiv",
    "version": 1
  }
}