Pith Number

pith:3G2RFPOB

pith:2004:3G2RFPOBBPEM5RYZCMJJOEH4DX

not attested not anchored not stored refs pending

Flare and quiescent X-ray emission from Sigma Geminorum

E. Behar, M. Guedel, R. Nordon

arxiv:astro-ph/0409472 v1 · 2004-09-20 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3G2RFPOBBPEM5RYZCMJJOEH4DX}

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	2026-07-04T14:13:45.841863Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9b512bdc10bc8cec71913129710fc1dc03c80459f7f9d69b7a37a73445a413e

Aliases

arxiv: astro-ph/0409472 · arxiv_version: astro-ph/0409472v1 · doi: 10.48550/arxiv.astro-ph/0409472 · pith_short_12: 3G2RFPOBBPEM · pith_short_16: 3G2RFPOBBPEM5RYZ · pith_short_8: 3G2RFPOB

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/3G2RFPOBBPEM5RYZCMJJOEH4DX \
  | 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: d9b512bdc10bc8cec71913129710fc1dc03c80459f7f9d69b7a37a73445a413e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10d24ce01d5f918d3813d0dae83f76049c4ce2db36826f4375f0e3fae435cb43",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-09-20T16:03:19Z",
    "title_canon_sha256": "381c3937f2b55ce670cb2a0be21665b9b485ceb406bba6f76c6cdbd5b5a575fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0409472",
    "kind": "arxiv",
    "version": 1
  }
}