Pith Number

pith:JK6K3ZU5

pith:2004:JK6K3ZU5W73SRO5SNWVA2TQCZY

not attested not anchored not stored refs pending

The density of very massive evolved galaxies to z~1.7

C. Maraston, F. Mannucci, G. Feulner, M. Longhetti, N. Drory, P. Saracco, P. Severgnini, R. Bender, R. Della Ceca, U. Hopp, V. Braito

arxiv:astro-ph/0412020 v1 · 2004-12-01 · 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{JK6K3ZU5W73SRO5SNWVA2TQCZY}

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	2026-07-04T16:45:20.048380Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4abcade69db7f728bbb26daa0d4e02ce1aa303dfe36103b6bd2e9c428bae8bf4

Aliases

arxiv: astro-ph/0412020 · arxiv_version: astro-ph/0412020v1 · doi: 10.48550/arxiv.astro-ph/0412020 · pith_short_12: JK6K3ZU5W73S · pith_short_16: JK6K3ZU5W73SRO5S · pith_short_8: JK6K3ZU5

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/JK6K3ZU5W73SRO5SNWVA2TQCZY \
  | 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: 4abcade69db7f728bbb26daa0d4e02ce1aa303dfe36103b6bd2e9c428bae8bf4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d07d305f412a4fdf9f85216d234bec6bc4404e2973979c506382fb20c38a1e7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-12-01T12:53:10Z",
    "title_canon_sha256": "9b9798bbda48416e6f2205ab6a709be41c8617e2e10bc1e149ba476381c13312"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0412020",
    "kind": "arxiv",
    "version": 1
  }
}