Pith Number

pith:3WFBUQQJ

pith:2007:3WFBUQQJALHBBAGF6O6FGWFNIV

not attested not anchored not stored refs pending

Possible non-thermal nature of the soft-excess emission in the cluster of galaxies Sersic 159-03

J.S. Kaastra, J. Vink, N. Werner, R. Lieu, T. Tamura, Y. Takei

arxiv:0704.0475 v1 · 2007-04-04 · 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{3WFBUQQJALHBBAGF6O6FGWFNIV}

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	2026-07-04T17:03:10.827604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd8a1a420902ce1080c5f3bc5358ad45429f6f8e07331defee07350e1aa8e2fe

Aliases

arxiv: 0704.0475 · arxiv_version: 0704.0475v1 · doi: 10.48550/arxiv.0704.0475 · pith_short_12: 3WFBUQQJALHB · pith_short_16: 3WFBUQQJALHBBAGF · pith_short_8: 3WFBUQQJ

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/3WFBUQQJALHBBAGF6O6FGWFNIV \
  | 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: dd8a1a420902ce1080c5f3bc5358ad45429f6f8e07331defee07350e1aa8e2fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0d3efceb1e27b8bfd294ce84c75bb7dac733725e5877b07518237937df2a014",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-04-04T08:50:46Z",
    "title_canon_sha256": "bcd83b8f03fe632bee2e6282acd95e5d693c32373b5b5cf7044c09ebff87244c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0704.0475",
    "kind": "arxiv",
    "version": 1
  }
}