Pith Number

pith:LN6IM7CI

pith:2009:LN6IM7CIHARESSI7Y6V3ZLZEYD

not attested not anchored not stored refs pending

An X-Ray Face-on View of the Sgr B Molecular Clouds Observed with Suzaku

Katsuji Koyama, Masayoshi Nobukawa, Ryosuke Fukuoka, Syukyo G. Ryu, Takeshi Go Tsuru

arxiv:0904.4550 v1 · 2009-04-29 · astro-ph.GA · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LN6IM7CIHARESSI7Y6V3ZLZEYD}

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	2026-05-18T02:13:49.287742Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b7c867c48382249491fc7abbcaf24c0eb0771efa51d0169e57429a79e3fd87c

Aliases

arxiv: 0904.4550 · arxiv_version: 0904.4550v1 · doi: 10.48550/arxiv.0904.4550 · pith_short_12: LN6IM7CIHARE · pith_short_16: LN6IM7CIHARESSI7 · pith_short_8: LN6IM7CI

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/LN6IM7CIHARESSI7Y6V3ZLZEYD \
  | 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: 5b7c867c48382249491fc7abbcaf24c0eb0771efa51d0169e57429a79e3fd87c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a63697821339dd3dd667712e0c4d83262edec24fbfd2718cc47c5ee5eaa0377",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-04-29T08:45:39Z",
    "title_canon_sha256": "6a18d3145e1671af7a0f22258c852a0a5c5dd9ee60b04c1b3527d8a462a1dfd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.4550",
    "kind": "arxiv",
    "version": 1
  }
}