Pith Number

pith:34RYP4VS

pith:2021:34RYP4VS457WEHFT44WBSZWPIB

not attested not anchored not stored refs pending

From 3D hydrodynamic simulations of common-envelope interaction to gravitational-wave mergers

Christian Sand, Fabian R. N. Schneider, Friedrich K. Roepke, Melvin M. Moreno, Philipp Podsiadlowski, Ruediger Pakmor, Sebastian T. Ohlmann

arxiv:2111.12112 v2 · 2021-11-23 · astro-ph.SR · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{34RYP4VS457WEHFT44WBSZWPIB}

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	2026-07-05T05:14:09.551499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df2387f2b2e77f621cb3e72c1966cf405c5738605c04d28615857423dca5caf4

Aliases

arxiv: 2111.12112 · arxiv_version: 2111.12112v2 · doi: 10.48550/arxiv.2111.12112 · pith_short_12: 34RYP4VS457W · pith_short_16: 34RYP4VS457WEHFT · pith_short_8: 34RYP4VS

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/34RYP4VS457WEHFT44WBSZWPIB \
  | 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: df2387f2b2e77f621cb3e72c1966cf405c5738605c04d28615857423dca5caf4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2489bcb09cbb00565b633a807088a1cd9bd4b7ebc045eea410b46c6543944acb",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-11-23T19:10:55Z",
    "title_canon_sha256": "ef3b124344417f798f607f0c15a92d3d2b50b0483e0d11447dc6c77fb4a2111a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.12112",
    "kind": "arxiv",
    "version": 2
  }
}