Pith Number

pith:V5DJJI57

pith:2003:V5DJJI575SI3QSKZCJE2BPO7RW

not attested not anchored not stored refs pending

The origin of emission and absorption features in Ton S180 Chandra observations

A.-M. Dumont, A. R\'o\.za\'nska, A. Siemiginowska, B. Czerny, T. Kawaguchi

arxiv:astro-ph/0309430 v1 · 2003-09-16 · 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{V5DJJI575SI3QSKZCJE2BPO7RW}

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	2026-07-04T16:51:39.848298Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af4694a3bfec91b849591249a0bddf8da9bd240230512528b08fe951986fe395

Aliases

arxiv: astro-ph/0309430 · arxiv_version: astro-ph/0309430v1 · doi: 10.48550/arxiv.astro-ph/0309430 · pith_short_12: V5DJJI575SI3 · pith_short_16: V5DJJI575SI3QSKZ · pith_short_8: V5DJJI57

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/V5DJJI575SI3QSKZCJE2BPO7RW \
  | 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: af4694a3bfec91b849591249a0bddf8da9bd240230512528b08fe951986fe395

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "842207b6200c83fa4ab5541aa3139ba0791ec709a5a5bf0a091206b317396020",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-09-16T10:34:11Z",
    "title_canon_sha256": "65437ed2db828dbf4cc6b864a6ac3e5b8672fa2d546d1a90027304b494493da4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0309430",
    "kind": "arxiv",
    "version": 1
  }
}