Pith Number

pith:U6HOHF53

pith:2003:U6HOHF53NDWKII72YO3IW5IJMN

not attested not anchored not stored refs pending

Detection of a Fully-resolved Compton Shoulder of the Iron K-alpha Line in the Chandra X-ray Spectrum of GX 301-2

2), 2) ((1) ISAS, (2) University of Tokyo, (3) Caltech, 4), (4) Chandra Postdoctoral Fellow, (5) Tokyo Metropolitan University, (6) Stanford University, (7) Kogakuin University, (8) Columbia University), Frederik Paerels (8), Fumiaki Nagase (1), Manabu Ishida (5), Masao Sako (3, Shin Watanabe (1, Steve M. Kahn (6), Tadayuki Takahashi (1, Takayoshi Kohmura (7), Umeyo Morita (5), Yoshitaka Ishisaki (5)

arxiv:astro-ph/0309344 v1 · 2003-09-12 · 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{U6HOHF53NDWKII72YO3IW5IJMN}

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	2026-07-04T16:51:38.713602Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a78ee397bb68eca423fac3b68b75096341569a3a55e36b451ab33e8c1a646253

Aliases

arxiv: astro-ph/0309344 · arxiv_version: astro-ph/0309344v1 · doi: 10.48550/arxiv.astro-ph/0309344 · pith_short_12: U6HOHF53NDWK · pith_short_16: U6HOHF53NDWKII72 · pith_short_8: U6HOHF53

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/U6HOHF53NDWKII72YO3IW5IJMN \
  | 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: a78ee397bb68eca423fac3b68b75096341569a3a55e36b451ab33e8c1a646253

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4010fa3e7dfa40a3fb4b4380c1c11cb60f6eedfa5f700fcf3a5b4a89dc110b7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-09-12T05:38:24Z",
    "title_canon_sha256": "7964e15fc6f8da10236c55e1103d11f28181d23e1e9ef8be7a22280a00c3ff06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0309344",
    "kind": "arxiv",
    "version": 1
  }
}