Pith Number

pith:YP6TATTB

pith:2010:YP6TATTBEY6EEMS6IJ2CPTG4US

not attested not anchored not stored refs pending

Polycyclic Aromatic Hydrocarbon and Emission Line Ratios in Active Galactic Nuclei and Starburst Galaxies

Dinalva A. Sales, M. G. Pastoriza, R. Riffel

arxiv:1010.2170 v2 · 2010-10-11 · 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{YP6TATTBEY6EEMS6IJ2CPTG4US}

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	2026-05-18T02:05:06.526677Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3fd304e61263c42325e427427ccdca4bfabcdc3e65b589783af07e186cb5f17

Aliases

arxiv: 1010.2170 · arxiv_version: 1010.2170v2 · doi: 10.48550/arxiv.1010.2170 · pith_short_12: YP6TATTBEY6E · pith_short_16: YP6TATTBEY6EEMS6 · pith_short_8: YP6TATTB

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/YP6TATTBEY6EEMS6IJ2CPTG4US \
  | 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: c3fd304e61263c42325e427427ccdca4bfabcdc3e65b589783af07e186cb5f17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd130bf1955be315a2ef6e58212075ff7e0cb403585b14af94076abde0744faa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-10-11T17:43:30Z",
    "title_canon_sha256": "66a4c1dddd482f7a9d776765a1982b07919e7d40660acdb230f6fc04d1434510"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.2170",
    "kind": "arxiv",
    "version": 2
  }
}