Pith Number

pith:VMRHKAU3

pith:2016:VMRHKAU3SYCHDL52ZCJD6V3YKS

not attested not anchored not stored refs pending

Chandrasekhar's Dynamical Friction and non-extensive statistics

A. Del Popolo, J. A. S. Lima, J. M. Silva, Morgan Le Delliou, R. E. de Souza, Xi-Guo Lee

arxiv:1604.02034 v2 · 2016-04-07 · astro-ph.GA · 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{VMRHKAU3SYCHDL52ZCJD6V3YKS}

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	2026-05-18T01:13:48.204019Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab2275029b960471afbac8923f577854bc67a48e382ad18babfc8cf3aa5ceefa

Aliases

arxiv: 1604.02034 · arxiv_version: 1604.02034v2 · doi: 10.48550/arxiv.1604.02034 · pith_short_12: VMRHKAU3SYCH · pith_short_16: VMRHKAU3SYCHDL52 · pith_short_8: VMRHKAU3

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/VMRHKAU3SYCHDL52ZCJD6V3YKS \
  | 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: ab2275029b960471afbac8923f577854bc67a48e382ad18babfc8cf3aa5ceefa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03b945acdcf232785a27892772fdd8fcad4b33ebad1ebc920238e4a869c99eb5",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-04-07T15:20:12Z",
    "title_canon_sha256": "d071a9e84922f9b3db59db2787a79995d6f8bbe5e22979b4171cbbd17f9ffac7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.02034",
    "kind": "arxiv",
    "version": 2
  }
}