Pith Number

pith:FFXZ6UAM

pith:2013:FFXZ6UAMRFNO3GKG7FFOZEM5LZ

not attested not anchored not stored refs pending

Investigating the hard X-ray emission from the hottest Abell cluster A2163 with Suzaku

G. W. Pratt, K. Nagayoshi, N. Ota, T. H. Reiprich, T. Kitayama, T. Oshima

arxiv:1312.4120 v2 · 2013-12-15 · astro-ph.HE · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FFXZ6UAMRFNO3GKG7FFOZEM5LZ}

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	2026-05-18T01:45:50.451420Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

296f9f500c895aed9946f94aec919d5e76678236f9a076996ae9f2bf8b0d06aa

Aliases

arxiv: 1312.4120 · arxiv_version: 1312.4120v2 · doi: 10.48550/arxiv.1312.4120 · pith_short_12: FFXZ6UAMRFNO · pith_short_16: FFXZ6UAMRFNO3GKG · pith_short_8: FFXZ6UAM

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/FFXZ6UAMRFNO3GKG7FFOZEM5LZ \
  | 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: 296f9f500c895aed9946f94aec919d5e76678236f9a076996ae9f2bf8b0d06aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afd2b6cd6c447a15ff05a494cbabb451090b63a00fa3789bf0844b1075db7af3",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-12-15T07:50:15Z",
    "title_canon_sha256": "5c60d938f948668ba031828a2974dc603a43d3b206af763b34e5e0c424f53919"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.4120",
    "kind": "arxiv",
    "version": 2
  }
}