Pith Number

pith:WKW6LML2

pith:2013:WKW6LML2I4OI5CQEGZP6FSYG3R

not attested not anchored not stored refs pending

Early Hydrodynamic Evolution of a Stellar Collision

Boaz Katz (IAS), Doron Kushnir

arxiv:1311.1209 v1 · 2013-11-05 · astro-ph.HE · 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{WKW6LML2I4OI5CQEGZP6FSYG3R}

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	2026-05-18T01:46:38.598535Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2ade5b17a471c8e8a04365fe2cb06dc45ae889c40e49b268d23117747e70141

Aliases

arxiv: 1311.1209 · arxiv_version: 1311.1209v1 · doi: 10.48550/arxiv.1311.1209 · pith_short_12: WKW6LML2I4OI · pith_short_16: WKW6LML2I4OI5CQE · pith_short_8: WKW6LML2

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/WKW6LML2I4OI5CQEGZP6FSYG3R \
  | 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: b2ade5b17a471c8e8a04365fe2cb06dc45ae889c40e49b268d23117747e70141

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d585fe462ee0c99bf08fe2ef1574935b079d331f2eb5f6922022aed54dc92f1a",
    "cross_cats_sorted": [
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-11-05T21:00:04Z",
    "title_canon_sha256": "09faf314dc2fe9b4e565e786e95afee76f02fd37f29999845a910c5e1abb2b43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.1209",
    "kind": "arxiv",
    "version": 1
  }
}