Pith Number

pith:2DIRLI3T

pith:2012:2DIRLI3TM7SM4W7ITS4PNDCAAD

not attested not anchored not stored refs pending

Extreme host galaxy growth in powerful early-epoch radio galaxies

Belinda Wilkes, Christian Leipski, Martin Haas, Peter Barthel

arxiv:1209.0324 v1 · 2012-09-03 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2DIRLI3TM7SM4W7ITS4PNDCAAD}

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	2026-05-18T01:54:48.116682Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0d115a37367e4ce5be89cb8f68c4000fe88f0954c5acebed3eec78815b5388a

Aliases

arxiv: 1209.0324 · arxiv_version: 1209.0324v1 · doi: 10.48550/arxiv.1209.0324 · pith_short_12: 2DIRLI3TM7SM · pith_short_16: 2DIRLI3TM7SM4W7I · pith_short_8: 2DIRLI3T

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/2DIRLI3TM7SM4W7ITS4PNDCAAD \
  | 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: d0d115a37367e4ce5be89cb8f68c4000fe88f0954c5acebed3eec78815b5388a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ad6e57081d343cd212add91d224143a9a694839f40018441f77dd4f7b57f1fa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-09-03T12:19:42Z",
    "title_canon_sha256": "79700e35dc0e57aa0cbbf75e52d70890d8ca708fcce0a51800c004ffd4ada486"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.0324",
    "kind": "arxiv",
    "version": 1
  }
}