Pith Number

pith:4I7BCERE

pith:2010:4I7BCERELY5MLORNMJAME3RUE5

not attested not anchored not stored refs pending

Timing the starburst-AGN connection

(2) Johns Hopkins University), Stephane Charlot (1) ((1) Institut d'Astrophysique de Paris, Timothy Heckman (2), Vivienne Wild (1)

arxiv:1002.3156 v1 · 2010-02-16 · 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{4I7BCERELY5MLORNMJAME3RUE5}

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	2026-05-18T02:09:07.613658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e23e1112245e3ac5ba2d6240c26e34275ff68326346e6ac92d1bf3c0f59bb582

Aliases

arxiv: 1002.3156 · arxiv_version: 1002.3156v1 · doi: 10.48550/arxiv.1002.3156 · pith_short_12: 4I7BCERELY5M · pith_short_16: 4I7BCERELY5MLORN · pith_short_8: 4I7BCERE

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/4I7BCERELY5MLORNMJAME3RUE5 \
  | 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: e23e1112245e3ac5ba2d6240c26e34275ff68326346e6ac92d1bf3c0f59bb582

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "877915d43d9cd5580a77e5fcc5b86707adfaca994eaacc689a3b7d19840c807f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-02-16T21:07:56Z",
    "title_canon_sha256": "610af23d9f4e03688b1cf44b1eabbbb202fe3e4f2fd09ae30a9dbdf195680b5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.3156",
    "kind": "arxiv",
    "version": 1
  }
}