Pith Number

pith:ZXAQDINS

pith:2013:ZXAQDINSJLNI7ZX6L3JJZGJM4L

not attested not anchored not stored refs pending

Tracing the Physical Conditions in Active Galactic Nuclei with Time-Dependent Chemistry

Giambattista Aresu, Inga Kamp, Marco Spaans, Peter Woitke, Rowin Meijerink, Wing-Fai Thi

arxiv:1306.2488 v1 · 2013-06-11 · astro-ph.GA · astro-ph.CO · physics.chem-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{ZXAQDINSJLNI7ZX6L3JJZGJM4L}

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	2026-05-18T01:49:23.753499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cdc101a1b24ada8fe6fe5ed29c992ce2eef661cffd0cee5f2a71720a35982471

Aliases

arxiv: 1306.2488 · arxiv_version: 1306.2488v1 · doi: 10.48550/arxiv.1306.2488 · pith_short_12: ZXAQDINSJLNI · pith_short_16: ZXAQDINSJLNI7ZX6 · pith_short_8: ZXAQDINS

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/ZXAQDINSJLNI7ZX6L3JJZGJM4L \
  | 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: cdc101a1b24ada8fe6fe5ed29c992ce2eef661cffd0cee5f2a71720a35982471

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8cedb177d07db9e93eac14d30457774e4049183dd96671f04d4d6e9f7126ef93",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-06-11T11:12:36Z",
    "title_canon_sha256": "4c1a4c972c2137bce3c0bc769390d24fd49b1d3b890bb7e1c5ec0d6d065ac7bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.2488",
    "kind": "arxiv",
    "version": 1
  }
}