Pith Number

pith:4IEFWZLI

pith:2010:4IEFWZLIFMWWOJB3R4IS7GMZG4

not attested not anchored not stored refs pending

Probing the Existence of a Dark Matter Isothermal Core Using Gravity Modes

Il\'idio Lopes, Joseph Silk

arxiv:1009.5122 v1 · 2010-09-26 · astro-ph.SR · astro-ph.CO · hep-ex · hep-ph · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4IEFWZLIFMWWOJB3R4IS7GMZG4}

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	2026-05-18T04:40:19.141211Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2085b65682b2d67243b8f112f9999371ae483e42dbf63543971065a9bedc345

Aliases

arxiv: 1009.5122 · arxiv_version: 1009.5122v1 · doi: 10.48550/arxiv.1009.5122 · pith_short_12: 4IEFWZLIFMWW · pith_short_16: 4IEFWZLIFMWWOJB3 · pith_short_8: 4IEFWZLI

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/4IEFWZLIFMWWOJB3R4IS7GMZG4 \
  | 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: e2085b65682b2d67243b8f112f9999371ae483e42dbf63543971065a9bedc345

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d2c9d81eff8f92dd135b2a8ca788f06b844272440a6190e3f8e8f4b006395ba",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-ex",
      "hep-ph",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-09-26T20:03:30Z",
    "title_canon_sha256": "d709bd6ddf1d1be6f090c67cc34b32d7da63aa2fc36aa28cfebceb2bd187481a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.5122",
    "kind": "arxiv",
    "version": 1
  }
}