Pith Number

pith:3BGVQQZL

pith:2008:3BGVQQZLXGYKQXTXPC2RW4TVR4

not attested not anchored not stored refs pending

Origin and Nature of Dust in the Early Universe

A. Habe, E. Dwek, H. Hirashita, H. Umeda, K. Maeda, K. Nomoto, N. Tominaga, T. Kozasa, T. Nozawa, T. T. Ishii, T. T. Takeuchi

arxiv:0812.1448 v2 · 2008-12-08 · 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{3BGVQQZLXGYKQXTXPC2RW4TVR4}

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	2026-07-04T15:39:24.064391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d84d58432bb9b0a85e7778b51b72758f20d7b78170c256f42ba38d3930a8c9f6

Aliases

arxiv: 0812.1448 · arxiv_version: 0812.1448v2 · doi: 10.48550/arxiv.0812.1448 · pith_short_12: 3BGVQQZLXGYK · pith_short_16: 3BGVQQZLXGYKQXTX · pith_short_8: 3BGVQQZL

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/3BGVQQZLXGYKQXTXPC2RW4TVR4 \
  | 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: d84d58432bb9b0a85e7778b51b72758f20d7b78170c256f42ba38d3930a8c9f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "561a5b2206460dfdfd2b36809c938e7b3dd4d634fdf6d7bed18d22cef664d0ab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-12-08T09:51:30Z",
    "title_canon_sha256": "37249416d37281e2068e534916928b6494b5a6c26ab78dfc266aff0164fdd9de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.1448",
    "kind": "arxiv",
    "version": 2
  }
}