Pith Number

pith:QYA4BAVI

pith:2010:QYA4BAVIZSGPHH734TI4QKRNIR

not attested not anchored not stored refs pending

Mass Estimation of Merging Galaxy Clusters

Kyoko Matsushita (Tokyo University of Science), Motokazu Takizawa (Yamagata University), Ryo Nagino

arxiv:1004.3322 v1 · 2010-04-19 · 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{QYA4BAVIZSGPHH734TI4QKRNIR}

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	2026-05-18T02:07:56.511876Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8601c082a8cc8cf39ffbe4d1c82a2d445726aea4bb80f820ec41e3fdd6b90ed1

Aliases

arxiv: 1004.3322 · arxiv_version: 1004.3322v1 · doi: 10.48550/arxiv.1004.3322 · pith_short_12: QYA4BAVIZSGP · pith_short_16: QYA4BAVIZSGPHH73 · pith_short_8: QYA4BAVI

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/QYA4BAVIZSGPHH734TI4QKRNIR \
  | 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: 8601c082a8cc8cf39ffbe4d1c82a2d445726aea4bb80f820ec41e3fdd6b90ed1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fd462724c6c9db1de9c40d0d6aadcbdf522b48f5577368b73b242cd8254cf88",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-04-19T22:56:55Z",
    "title_canon_sha256": "1c1d490da4c873ed5119b5c7b69bce598c0c2ef8e47690e19f53e2e9a759b64c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.3322",
    "kind": "arxiv",
    "version": 1
  }
}