Pith Number

pith:L65HGIXF

pith:2006:L65HGIXFV7L6U5T5MY662VI63S

not attested not anchored not stored refs pending

IRAS 13197-1627 has them all: Compton-thin absorption, photo-ionized gas, thermal plasmas, and a broad Fe line

3), G. Malaguti (3) ((1) Institute of Astronomy, G. Miniutti (1), G. Ponti (2, M. Cappi (3), M. Dadina (3), U. of Cambridge; (2) Dip. di Astronomia U. di Bologna; (3) IASF/INAF Bologna)

arxiv:astro-ph/0611621 v1 · 2006-11-20 · 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{L65HGIXFV7L6U5T5MY662VI63S}

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	2026-07-04T15:16:24.096759Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fba7322e5afd7ea767d663ded551edcaef6ad743a51b6ab7fbf1d6a6a506c32

Aliases

arxiv: astro-ph/0611621 · arxiv_version: astro-ph/0611621v1 · doi: 10.48550/arxiv.astro-ph/0611621 · pith_short_12: L65HGIXFV7L6 · pith_short_16: L65HGIXFV7L6U5T5 · pith_short_8: L65HGIXF

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/L65HGIXFV7L6U5T5MY662VI63S \
  | 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: 5fba7322e5afd7ea767d663ded551edcaef6ad743a51b6ab7fbf1d6a6a506c32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "220e7528715936b5bf8a47069ec1702d484dd6a8136da9a6d133bdaf42706b6a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-11-20T11:02:13Z",
    "title_canon_sha256": "91ad35f016ffb0742d468ff3f088985f1dc379fc9af272f92f428f9b2fd3bc62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0611621",
    "kind": "arxiv",
    "version": 1
  }
}