Pith Number

pith:NACOUE3U

pith:2006:NACOUE3UNFL3YLWIDOWL6KREFU

not attested not anchored not stored refs pending

Local radiative feedback in the formation of the first protogalaxies

Jarrett L. Johnson, Thomas H. Greif, Volker Bromm

arxiv:astro-ph/0612254 v3 · 2006-12-10 · 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{NACOUE3UNFL3YLWIDOWL6KREFU}

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	2026-05-18T04:37:01.319028Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6804ea13746957bc2ec81bacbf2a242d0ab2fada447e6cff1356df7b00cfec0c

Aliases

arxiv: astro-ph/0612254 · arxiv_version: astro-ph/0612254v3 · doi: 10.48550/arxiv.astro-ph/0612254 · pith_short_12: NACOUE3UNFL3 · pith_short_16: NACOUE3UNFL3YLWI · pith_short_8: NACOUE3U

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/NACOUE3UNFL3YLWIDOWL6KREFU \
  | 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: 6804ea13746957bc2ec81bacbf2a242d0ab2fada447e6cff1356df7b00cfec0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37bc3081ebda042c3756056dfb381a173bc5caa9ee6f5f238c0a9558481f63e0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-12-10T21:47:26Z",
    "title_canon_sha256": "5052be9aa1732b978de19be454df4c10bc7ac5460bb4704153ad9a947bbc6556"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0612254",
    "kind": "arxiv",
    "version": 3
  }
}