Pith Number

pith:XFC5A4DT

pith:2015:XFC5A4DTP3MHDHFFI27UG4HGRX

not attested not anchored not stored refs pending

Suzaku observation of a high entropy cluster Abell 548W

Kazuhiro Nakazawa, Kazuo Makishima, Liyi Gu, Madoka Kawaharada, Motokazu Takizawa, Yuichi Kato, Yutaka Fujita

arxiv:1512.01315 v2 · 2015-12-04 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XFC5A4DTP3MHDHFFI27UG4HGRX}

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	2026-05-18T01:20:32.888431Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b945d070737ed8719ca546bf4370e68def4bf2fb36759437004ff25bd032ac8a

Aliases

arxiv: 1512.01315 · arxiv_version: 1512.01315v2 · doi: 10.48550/arxiv.1512.01315 · pith_short_12: XFC5A4DTP3MH · pith_short_16: XFC5A4DTP3MHDHFF · pith_short_8: XFC5A4DT

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/XFC5A4DTP3MHDHFFI27UG4HGRX \
  | 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: b945d070737ed8719ca546bf4370e68def4bf2fb36759437004ff25bd032ac8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "042ef8cf382455426ae61af90e706895985a253b30109aecc89e45f52ccaa3d5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-12-04T04:43:55Z",
    "title_canon_sha256": "e6c5ef70c4afb2b022bb20b2cac394a378f2ef0b86542d8b49236273d3323ddb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.01315",
    "kind": "arxiv",
    "version": 2
  }
}