Pith Number

pith:KEKP2SJL

pith:2002:KEKP2SJLDSUT22L3BDZZMSWDYK

not attested not anchored not stored refs pending

The Soft X-ray Spectrum from NGC 1068 Observed with LETGS on Chandra

A.C. Brinkman, A. Kinkhabwala, E. Behar, F.B.S. Paerels, J.S. Kaastra, M. Sako, R.L.J. van der Meer, S.M. Kahn

arxiv:astro-ph/0211403 v1 · 2002-11-18 · 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{KEKP2SJLDSUT22L3BDZZMSWDYK}

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	2026-07-04T16:31:10.602057Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5114fd492b1ca93d697b08f3964ac3c28c34919e43c6e4f432e5257c653ea126

Aliases

arxiv: astro-ph/0211403 · arxiv_version: astro-ph/0211403v1 · doi: 10.48550/arxiv.astro-ph/0211403 · pith_short_12: KEKP2SJLDSUT · pith_short_16: KEKP2SJLDSUT22L3 · pith_short_8: KEKP2SJL

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/KEKP2SJLDSUT22L3BDZZMSWDYK \
  | 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: 5114fd492b1ca93d697b08f3964ac3c28c34919e43c6e4f432e5257c653ea126

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5df4acc2181e558070c3dcaed6aa478a0e1fe926e5270d358bd4b5bea5b2cfcb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-11-18T18:37:29Z",
    "title_canon_sha256": "3a40bdd394d631be757bb2c2921b0cb6a2f5e8290f37966de5a4a6eeb2855056"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0211403",
    "kind": "arxiv",
    "version": 1
  }
}