Pith Number

pith:EXZTX6TZ

pith:2000:EXZTX6TZTNTH3GTPP5S6QTJIRF

not attested not anchored not stored refs pending

A High Resolution Study of the Hydra A Cluster with Chandra: Comparison of the Core Mass Distribution with Theoretical Predictions and Evidence for Feedback in the Cooling Flow

B.R. McNamara, B. Robertson, C. Jones, L.P. David, M. Wise, P.E.J. Nulsen, T. Ponman, W. Forman

arxiv:astro-ph/0010224 v2 · 2000-10-11 · 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{EXZTX6TZTNTH3GTPP5S6QTJIRF}

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.

Cited by

1 paper in Pith

Exploring the physics of ram pressure stripping with radio continuum observations in the SKA era

Receipt and verification

First computed	2026-07-04T15:22:55.755801Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25f33bfa799b667d9a6f7f65e84d288970d45c1bf6843fd732f5667edbbf86d7

Aliases

arxiv: astro-ph/0010224 · arxiv_version: astro-ph/0010224v2 · doi: 10.48550/arxiv.astro-ph/0010224 · pith_short_12: EXZTX6TZTNTH · pith_short_16: EXZTX6TZTNTH3GTP · pith_short_8: EXZTX6TZ

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/EXZTX6TZTNTH3GTPP5S6QTJIRF \
  | 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: 25f33bfa799b667d9a6f7f65e84d288970d45c1bf6843fd732f5667edbbf86d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75118885b97ee4fdfc8491e9942b856603d73b57b9acf5d908f5827e329a561d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-10-11T16:18:51Z",
    "title_canon_sha256": "31d077a895f47bf1bcf1748728c5e447dc307eaaba41749d522e86bb35221c1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0010224",
    "kind": "arxiv",
    "version": 2
  }
}