Pith Number

pith:TOUNPA2E

pith:2021:TOUNPA2EBQ75DWUTYMXWRLAMNL

not attested not anchored not stored refs pending

Numerical simulations of the 1840s great eruption of $\eta$ Carinae: I. Revisiting the explosion scenario

A. C. Raga, E. M. de Gouveia Dal Pino, J. Cant\'o, Luis A. Zapata, P. F. Vel\'azquez, R. F. Gonz\'alez

arxiv:2112.03474 v1 · 2021-12-07 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TOUNPA2EBQ75DWUTYMXWRLAMNL}

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	2026-07-05T04:09:41.631308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ba8d783440c3fd1da93c32f68ac0c6ac637edec08512d29bea4566d777fc54d

Aliases

arxiv: 2112.03474 · arxiv_version: 2112.03474v1 · doi: 10.48550/arxiv.2112.03474 · pith_short_12: TOUNPA2EBQ75 · pith_short_16: TOUNPA2EBQ75DWUT · pith_short_8: TOUNPA2E

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/TOUNPA2EBQ75DWUTYMXWRLAMNL \
  | 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: 9ba8d783440c3fd1da93c32f68ac0c6ac637edec08512d29bea4566d777fc54d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da0d027db6b2d3304dbc790b21aa0f0bf03b1aec7c26f7280e09536977a94fc4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-12-07T03:46:49Z",
    "title_canon_sha256": "e454d3c67120bafde97b5bcbcbd4db08362926cb70d22d9d54772e939738c40d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.03474",
    "kind": "arxiv",
    "version": 1
  }
}