Pith Number

pith:G7T5MPOM

pith:2004:G7T5MPOMHSABVXD6EQWXUSOMCA

not attested not anchored not stored refs pending

NIR Spectroscopy of Luminous Infrared Galaxies and the Hydrogen Recombination Photon Deficit

A. Bressan, A. Franceschini, D. Rigopoulou, G. Rodighiero, J.R. Valdes, S. Berta

arxiv:astro-ph/0412706 v1 · 2004-12-31 · 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{G7T5MPOMHSABVXD6EQWXUSOMCA}

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	2026-07-04T16:45:29.588086Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37e7d63dcc3c801adc7e242d7a49cc1005d3481ab6ab6858018f2902e36ebb2f

Aliases

arxiv: astro-ph/0412706 · arxiv_version: astro-ph/0412706v1 · doi: 10.48550/arxiv.astro-ph/0412706 · pith_short_12: G7T5MPOMHSAB · pith_short_16: G7T5MPOMHSABVXD6 · pith_short_8: G7T5MPOM

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/G7T5MPOMHSABVXD6EQWXUSOMCA \
  | 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: 37e7d63dcc3c801adc7e242d7a49cc1005d3481ab6ab6858018f2902e36ebb2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ac129f5ff634b92e0b9f5339b0934ebd92eb775d555b7cdbbbcbd20ca21d867",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-12-31T13:16:01Z",
    "title_canon_sha256": "72e6e0b10c11a19ecf848436a6fabe89c6ad4bf1ad232e5cf3e6290498621048"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0412706",
    "kind": "arxiv",
    "version": 1
  }
}