Pith Number

pith:O2PYAXQM

pith:2010:O2PYAXQM5AFUAPXCGORDLV3VIW

not attested not anchored not stored refs pending

Modeling Collapse and Accretion in Turbulent Gas Clouds: Implementation and Comparison of Sink Particles in AMR and SPH

Christoph Federrath, Paul C. Clark, Ralf S. Klessen, Robi Banerjee

arxiv:1001.4456 v2 · 2010-01-25 · astro-ph.SR · 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{O2PYAXQM5AFUAPXCGORDLV3VIW}

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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	2026-05-18T04:31:21.421923Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

769f805e0ce80b403ee233a235d7754582c204ed541f9d03b7035fd0ccc148e9

Aliases

arxiv: 1001.4456 · arxiv_version: 1001.4456v2 · doi: 10.48550/arxiv.1001.4456 · pith_short_12: O2PYAXQM5AFU · pith_short_16: O2PYAXQM5AFUAPXC · pith_short_8: O2PYAXQM

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/O2PYAXQM5AFUAPXCGORDLV3VIW \
  | 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: 769f805e0ce80b403ee233a235d7754582c204ed541f9d03b7035fd0ccc148e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ed366ab6bf7d7d1cd95ca404a852e168f4504c35a87759157742c4b2e1db9cd",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-01-25T15:38:55Z",
    "title_canon_sha256": "e8c9236c9193dc2771508f9a07613ffedcf5787dcfeb351d36eafc0590961b05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.4456",
    "kind": "arxiv",
    "version": 2
  }
}