Pith Number

pith:4T6KAAJ7

pith:2008:4T6KAAJ7A2DIWUM7K6UVEBPCYP

not attested not anchored not stored refs pending

Detection of hot gas in the filament connecting the clusters of galaxies Abell 222 and Abell 223

A. Finoguenov, A. Simionescu, H. Boehringer, J. P. Dietrich, J. S. Kaastra, J. Vink, N. Werner

arxiv:0803.2525 v1 · 2008-03-17 · 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{4T6KAAJ7A2DIWUM7K6UVEBPCYP}

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	2026-07-04T17:09:52.374056Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4fca0013f06868b519f57a95205e2c3ec2e4094fc7588662027ee77153696ac

Aliases

arxiv: 0803.2525 · arxiv_version: 0803.2525v1 · doi: 10.48550/arxiv.0803.2525 · pith_short_12: 4T6KAAJ7A2DI · pith_short_16: 4T6KAAJ7A2DIWUM7 · pith_short_8: 4T6KAAJ7

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/4T6KAAJ7A2DIWUM7K6UVEBPCYP \
  | 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: e4fca0013f06868b519f57a95205e2c3ec2e4094fc7588662027ee77153696ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53edb6aff91cc2e17579f0ce61343c1e7baf76f102e944fa4903c05eec09206a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-03-17T22:12:15Z",
    "title_canon_sha256": "3b2a267afb97066b57aee8712b05b170e71ce086cabec662d9857ec8bc788218"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.2525",
    "kind": "arxiv",
    "version": 1
  }
}