Pith Number

pith:AKAQKN5L

pith:2002:AKAQKN5LJ6GTWNLEPUYUD4VM7P

not attested not anchored not stored refs pending

The shape of the relativistic iron K-alpha line from MCG6--6-30-15 measured with the Chandra HETGS and RXTE

(2) IoA - U. Cambridge, A.C. Fabian (2), C.R. Canizares (1) ((1) MIT, H.L. Marshall (1), J.C. Houck (1), J.C. Lee (1), K. Iwasawa (2), UK)

arxiv:astro-ph/0203523 v2 · 2002-03-29 · 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{AKAQKN5LJ6GTWNLEPUYUD4VM7P}

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	2026-05-18T01:40:43.072276Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02810537ab4f8d3b35647d3141f2acfbd222115e180202bb7debb4e7867d0a1b

Aliases

arxiv: astro-ph/0203523 · arxiv_version: astro-ph/0203523v2 · doi: 10.48550/arxiv.astro-ph/0203523 · pith_short_12: AKAQKN5LJ6GT · pith_short_16: AKAQKN5LJ6GTWNLE · pith_short_8: AKAQKN5L

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/AKAQKN5LJ6GTWNLEPUYUD4VM7P \
  | 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: 02810537ab4f8d3b35647d3141f2acfbd222115e180202bb7debb4e7867d0a1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87823aabe30b715ba041a5c721d77418bcc7f9f69fd16a5d1bbd064bd93944a3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-03-29T20:56:56Z",
    "title_canon_sha256": "0ed048c2d43f2681035e61a3e3debc8b0167e883d8861d23b220eb34e6d6fb15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0203523",
    "kind": "arxiv",
    "version": 2
  }
}