Pith Number

pith:BPFOWOTH

pith:2008:BPFOWOTH42J3ADL265RUC7EP6U

not attested not anchored not stored refs pending

Extracting Galaxy Cluster Gas Inhomogeneity from X-ray Surface Brightness: A Statistical Approach and Application to Abell 3667

Erik D. Reese, Hajime Kawahara, Shin Sasaki, Tetsu Kitayama, Yasushi Suto

arxiv:0807.2525 v1 · 2008-07-16 · 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{BPFOWOTH42J3ADL265RUC7EP6U}

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	2026-07-04T17:11:49.885042Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bcaeb3a67e693b00d7af763417c8ff50ef6f358a1f7ec897a69990f79824e7b

Aliases

arxiv: 0807.2525 · arxiv_version: 0807.2525v1 · doi: 10.48550/arxiv.0807.2525 · pith_short_12: BPFOWOTH42J3 · pith_short_16: BPFOWOTH42J3ADL2 · pith_short_8: BPFOWOTH

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/BPFOWOTH42J3ADL265RUC7EP6U \
  | 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: 0bcaeb3a67e693b00d7af763417c8ff50ef6f358a1f7ec897a69990f79824e7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "706bcab3d5591bbe09056d1d4abf7f8c7537003a0a212414123d680ff461cf6f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-07-16T11:05:02Z",
    "title_canon_sha256": "61486ceb588afeef2bc9361a647e5829ad304adff643dd63fb9e6c05fc1af0c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.2525",
    "kind": "arxiv",
    "version": 1
  }
}