Pith Number

pith:D4U4JRBM

pith:2020:D4U4JRBMCCUSNDFWXDOFQCRM64

not attested not anchored not stored refs pending

Direct Calculation of Self-Gravitational Force for Infinitesimally Thin Gaseous Disks Using Adaptive Mesh Refinement

Chien-Chang Yen, Hsien Shang, Yao-Huan Tseng

arxiv:2001.02765 v1 · 2020-01-08 · physics.comp-ph · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D4U4JRBMCCUSNDFWXDOFQCRM64}

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	2026-07-05T00:33:26.155358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f29c4c42c10a9268cb6b8dc580a2cf7260226fd0531cb3f511c1c3aa444733e

Aliases

arxiv: 2001.02765 · arxiv_version: 2001.02765v1 · doi: 10.48550/arxiv.2001.02765 · pith_short_12: D4U4JRBMCCUS · pith_short_16: D4U4JRBMCCUSNDFW · pith_short_8: D4U4JRBM

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/D4U4JRBMCCUSNDFWXDOFQCRM64 \
  | 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: 1f29c4c42c10a9268cb6b8dc580a2cf7260226fd0531cb3f511c1c3aa444733e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "159440e8d2a389ebee56c588ed47a812a160c87de5082ac39015bd522b724b7d",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2020-01-08T22:06:10Z",
    "title_canon_sha256": "74d69c1e136dc30f27fc68763e1efae0b36609fcdeaea42cee8d01617679b1eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.02765",
    "kind": "arxiv",
    "version": 1
  }
}