Pith Number

pith:F2P6YFEH

pith:2009:F2P6YFEHWEBJPPUNKVCO4OY2VK

not attested not anchored not stored refs pending

Revisiting 2D Numerical Models for the 19th century outbursts of $\eta$ Carinae

A.C. Raga, A.M. Villa, E. De la Fuente, E.M. de Gouveia Dal Pino, G.C. G\'omez, J. Cant\'o, P.F. Vel\'azquez, R.F. Gonz\'alez

arxiv:0911.1808 v1 · 2009-11-10 · 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{F2P6YFEHWEBJPPUNKVCO4OY2VK}

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	2026-05-18T02:10:49.297274Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e9fec1487b10297be8d5544ee3b1aaa9202dda84d4447fdeb6a4c9882e40e5e

Aliases

arxiv: 0911.1808 · arxiv_version: 0911.1808v1 · doi: 10.48550/arxiv.0911.1808 · pith_short_12: F2P6YFEHWEBJ · pith_short_16: F2P6YFEHWEBJPPUN · pith_short_8: F2P6YFEH

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/F2P6YFEHWEBJPPUNKVCO4OY2VK \
  | 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: 2e9fec1487b10297be8d5544ee3b1aaa9202dda84d4447fdeb6a4c9882e40e5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86b1c46ab19e3ea884e1e4dcc8a1a3d1e7b5baacd9766765f1f4d3a7c6ea3521",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-11-10T00:49:08Z",
    "title_canon_sha256": "3dc81f58deaee2ae49169fa09fddd2fe747709ddab81555be94b8ebd7d3eb3ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.1808",
    "kind": "arxiv",
    "version": 1
  }
}