Pith Number

pith:HAHS23OR

pith:2009:HAHS23ORQUZ3S4WNMKK2FCSNHI

not attested not anchored not stored refs pending

The central energy source of 70micron-selected galaxies: Starburst or AGN?

A. Georgakakis, D. Rosario, E. S. Laird, J. Harker, M. J. Page, M. Symeonidis

arxiv:0912.3038 v1 · 2009-12-16 · 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{HAHS23ORQUZ3S4WNMKK2FCSNHI}

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	2026-05-18T02:10:16.790509Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

380f2d6dd18533b972cd6295a28a4d3a129d7df0083a059d232ba9172b1f3dbd

Aliases

arxiv: 0912.3038 · arxiv_version: 0912.3038v1 · doi: 10.48550/arxiv.0912.3038 · pith_short_12: HAHS23ORQUZ3 · pith_short_16: HAHS23ORQUZ3S4WN · pith_short_8: HAHS23OR

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/HAHS23ORQUZ3S4WNMKK2FCSNHI \
  | 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: 380f2d6dd18533b972cd6295a28a4d3a129d7df0083a059d232ba9172b1f3dbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bdc63abe6c2cb304202b82ab12b856468e22614816602d7e09355f698ba1e2de",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-12-16T00:21:01Z",
    "title_canon_sha256": "55608a71641e2f192e2e749d04883d02758a416486a78c9f09009b736aca22e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.3038",
    "kind": "arxiv",
    "version": 1
  }
}