Pith Number

pith:JV3TZXOX

pith:2004:JV3TZXOXNVOMU4GAEDKR4I5IP4

not attested not anchored not stored refs pending

New Perspectives on the X-ray Emission of HD 104237 and Other Nearby Herbig Ae/Be Stars from XMM-Newton and Chandra

K. Smith, M. Audard, M. Guedel, S. Skinner

arxiv:astro-ph/0405450 v1 · 2004-05-23 · 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{JV3TZXOXNVOMU4GAEDKR4I5IP4}

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	2026-07-04T16:43:49.330604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d773cddd76d5cca70c020d51e23a87f17789a96d14f3922912d409066beb708

Aliases

arxiv: astro-ph/0405450 · arxiv_version: astro-ph/0405450v1 · doi: 10.48550/arxiv.astro-ph/0405450 · pith_short_12: JV3TZXOXNVOM · pith_short_16: JV3TZXOXNVOMU4GA · pith_short_8: JV3TZXOX

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/JV3TZXOXNVOMU4GAEDKR4I5IP4 \
  | 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: 4d773cddd76d5cca70c020d51e23a87f17789a96d14f3922912d409066beb708

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "840b15397a0f4b3746e8f9b0f9d2a7fb4194d05152a72e19d27aa7fd41439ca0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-05-23T20:47:47Z",
    "title_canon_sha256": "fa66a6a3595ea5bdcead2d94bb3edc2c774784197450f1bff4b7ff2dd2f838a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0405450",
    "kind": "arxiv",
    "version": 1
  }
}