Pith Number

pith:UNWHFP4L

pith:2010:UNWHFP4L2QP5AGEOT7U4WVP5BP

not attested not anchored not stored refs pending

Hydrostatic equilibrium profiles for gas in elliptical galaxies

Paolo S. Coppi, Pedro R. Capelo, Priyamvada Natarajan

arxiv:1003.2175 v2 · 2010-03-10 · astro-ph.CO · astro-ph.GA · 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{UNWHFP4L2QP5AGEOT7U4WVP5BP}

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	2026-05-18T03:58:25.031962Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a36c72bf8bd41fd0188e9fe9cb55fd0be7d6874d226c49dee1c4d3a42bbf3512

Aliases

arxiv: 1003.2175 · arxiv_version: 1003.2175v2 · doi: 10.48550/arxiv.1003.2175 · pith_short_12: UNWHFP4L2QP5 · pith_short_16: UNWHFP4L2QP5AGEO · pith_short_8: UNWHFP4L

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/UNWHFP4L2QP5AGEOT7U4WVP5BP \
  | 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: a36c72bf8bd41fd0188e9fe9cb55fd0be7d6874d226c49dee1c4d3a42bbf3512

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b3c85c4f6e7ef163f5dacca77081d066d5b6cc2f57a50ca3f0bf06b7b7dd419",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-03-10T18:58:49Z",
    "title_canon_sha256": "2cd66b2ecf2942b7142f600945b318d81d7b776add3a82bd65aa3310eccb7018"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.2175",
    "kind": "arxiv",
    "version": 2
  }
}