Pith Number

pith:MGYY57EB

pith:2004:MGYY57EB34WB2XQUYFTDFKC6FA

not attested not anchored not stored refs pending

Dusty, Radiation Pressure Dominated Photoionization. II. Multi-Wavelength Emission Line Diagnostics for Narrow Line Regions

Australian National University), Brent A. Groves, Michael A. Dopita, Ralph S. Sutherland (RSAA

arxiv:astro-ph/0404176 v1 · 2004-04-08 · 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{MGYY57EB34WB2XQUYFTDFKC6FA}

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.

Cited by

1 paper in Pith

Physically motivated AGN emissivity profiles and their effects on quasar microlensing signatures. 1. Multi-epoch accretion disc size inference

Receipt and verification

First computed	2026-07-04T16:43:32.878724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61b18efc81df2c1d5e14c16632a85e281d90e2d40ea3eada2990b21042390ab3

Aliases

arxiv: astro-ph/0404176 · arxiv_version: astro-ph/0404176v1 · doi: 10.48550/arxiv.astro-ph/0404176 · pith_short_12: MGYY57EB34WB · pith_short_16: MGYY57EB34WB2XQU · pith_short_8: MGYY57EB

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/MGYY57EB34WB2XQUYFTDFKC6FA \
  | 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: 61b18efc81df2c1d5e14c16632a85e281d90e2d40ea3eada2990b21042390ab3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3db319316ba9dbb225fe2a1019c27cbadd311871e50e64642046e5d5a746457e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-04-08T04:57:53Z",
    "title_canon_sha256": "16ccdd7c2ffa6ffbdd5a6cbcd0a0bf2a05c6895e0cc0d1333ccf8b27917870a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0404176",
    "kind": "arxiv",
    "version": 1
  }
}