Pith Number

pith:Z7ZJDJMI

pith:2004:Z7ZJDJMIGBZZG7KXZRQIG6BNZH

not attested not anchored not stored refs pending

Organic matter in Seyfert2 nuclei : comparison with our Galactic center lines of sight

D. Deboffle, E. Dartois, G. M. Mu\~noz-Caro, K. Brooks, L. d'Hendecourt, O. Marco

arxiv:astro-ph/0405327 v1 · 2004-05-17 · 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{Z7ZJDJMIGBZZG7KXZRQIG6BNZH}

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	2026-07-04T16:43:47.112373Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cff291a5883073937d57cc6083782dc9f64866013437ce5f1b977a70c12b07c9

Aliases

arxiv: astro-ph/0405327 · arxiv_version: astro-ph/0405327v1 · doi: 10.48550/arxiv.astro-ph/0405327 · pith_short_12: Z7ZJDJMIGBZZ · pith_short_16: Z7ZJDJMIGBZZG7KX · pith_short_8: Z7ZJDJMI

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/Z7ZJDJMIGBZZG7KXZRQIG6BNZH \
  | 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: cff291a5883073937d57cc6083782dc9f64866013437ce5f1b977a70c12b07c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a73696a8d6bc5fd87ee4c2f52432705bdda6f05b48612a9f4ec1431e24981db2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-05-17T16:19:03Z",
    "title_canon_sha256": "180002d1b9f30c8aae4c1ab6846b1123d2ef77f65d2921bc929b9c533a54ae79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0405327",
    "kind": "arxiv",
    "version": 1
  }
}