Pith Number

pith:J6ERN2YO

pith:2013:J6ERN2YOLJCHB4L7YCGXYSFZIQ

not attested not anchored not stored refs pending

Following the flow: tracer particles in astrophysical fluid simulations

Debora Sijacki, Dylan Nelson, Lars Hernquist, Mark Vogelsberger, Shy Genel, Volker Springel

arxiv:1305.2195 v2 · 2013-05-09 · astro-ph.IM · astro-ph.CO · 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{J6ERN2YOLJCHB4L7YCGXYSFZIQ}

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	2026-05-18T03:15:43.169924Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f8916eb0e5a4470f17fc08d7c48b94436aa44e8cde38f7cac2b46a122fe6e7f

Aliases

arxiv: 1305.2195 · arxiv_version: 1305.2195v2 · doi: 10.48550/arxiv.1305.2195 · pith_short_12: J6ERN2YOLJCH · pith_short_16: J6ERN2YOLJCHB4L7 · pith_short_8: J6ERN2YO

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/J6ERN2YOLJCHB4L7YCGXYSFZIQ \
  | 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: 4f8916eb0e5a4470f17fc08d7c48b94436aa44e8cde38f7cac2b46a122fe6e7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcb762e21a40d7786692a3bf526898a32ac18e49b00fcd17cb11b18eeea978b9",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-05-09T20:00:00Z",
    "title_canon_sha256": "e89d372ddcfe71fda6ac6db914c8821973e44827e8d3c8c6544f5fecb6edb7ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.2195",
    "kind": "arxiv",
    "version": 2
  }
}