Pith Number

pith:HRTMCAFI

pith:2009:HRTMCAFIEEQST6WUJA6IKJAVAK

not attested not anchored not stored refs pending

X-ray modelling of galaxy cluster gas and mass profiles

Alastair J. R. Sanderson, Trevor J. Ponman (University of Birmingham, UK)

arxiv:0910.3212 v1 · 2009-10-19 · 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{HRTMCAFIEEQST6WUJA6IKJAVAK}

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	2026-05-18T02:11:14.904058Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c66c100a8212129fad4483c85241502bf3982dc86049414f9bb8f45217c0f48

Aliases

arxiv: 0910.3212 · arxiv_version: 0910.3212v1 · doi: 10.48550/arxiv.0910.3212 · pith_short_12: HRTMCAFIEEQS · pith_short_16: HRTMCAFIEEQST6WU · pith_short_8: HRTMCAFI

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/HRTMCAFIEEQST6WUJA6IKJAVAK \
  | 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: 3c66c100a8212129fad4483c85241502bf3982dc86049414f9bb8f45217c0f48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e42eea254ed7755aecdf5461ab7815e128a4129fa478abab1d1bb2d9ca81f2ba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-10-19T09:41:54Z",
    "title_canon_sha256": "39592e5f0ee881e7ab1d9ff744c13460f040a4b97573be5de283de9ec2e9e938"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.3212",
    "kind": "arxiv",
    "version": 1
  }
}