Pith Number

pith:FVLIL3ED

pith:2001:FVLIL3EDWHOESSAJBUWXWYFFN3

not attested not anchored not stored refs pending

ROSAT and BeppoSAX evidence of soft X-ray excess emission in the Shapley supercluster: A3571, A3558, A3560 and A3562

J. Nevalainen, J.S. Kaastra, M. Bonamente, R. Lieu

arxiv:astro-ph/0103331 v1 · 2001-03-21 · 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{FVLIL3EDWHOESSAJBUWXWYFFN3}

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	2026-07-04T16:22:54.536779Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d5685ec83b1dc4948090d2d7b60a56eecca17c0b47711156ea0f5533b39ce43

Aliases

arxiv: astro-ph/0103331 · arxiv_version: astro-ph/0103331v1 · doi: 10.48550/arxiv.astro-ph/0103331 · pith_short_12: FVLIL3EDWHOE · pith_short_16: FVLIL3EDWHOESSAJ · pith_short_8: FVLIL3ED

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/FVLIL3EDWHOESSAJBUWXWYFFN3 \
  | 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: 2d5685ec83b1dc4948090d2d7b60a56eecca17c0b47711156ea0f5533b39ce43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2494a09f7351dbacc85af19528fc7e3d82c5304fd8f5aedbf79a709ddd5b05fa",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-03-21T01:35:46Z",
    "title_canon_sha256": "e276ae65e5cbf3ae153bec5b1c5cadcbc94fd8a284e66cd4bd3c2b48d45ee617"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0103331",
    "kind": "arxiv",
    "version": 1
  }
}