Pith Number

pith:AJX7WYRI

pith:2004:AJX7WYRIAVJWJ4TOHBXJKDWWG2

not attested not anchored not stored refs pending

Profile variability of the H-alpha and H-beta broad emission lines in NGC5548

A. I. Shapovalova, A-M. Dumont, A. N. Burenkov. L. Carrasco, I. Chillingarian, I. S. Fioktistova, J. R. Valdes, N. Borisov, N. G. Bochkarev, O. M. Martinez, S. Collin, V. H. Chavushyan, V. T. Doroshenko, V. V. Vlasuyk

arxiv:astro-ph/0405191 v1 · 2004-05-11 · 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{AJX7WYRIAVJWJ4TOHBXJKDWWG2}

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	2026-07-04T16:43:44.311072Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

026ffb6228055364f26e386e950ed6369876e6b676fb263510669d0ecad668b8

Aliases

arxiv: astro-ph/0405191 · arxiv_version: astro-ph/0405191v1 · doi: 10.48550/arxiv.astro-ph/0405191 · pith_short_12: AJX7WYRIAVJW · pith_short_16: AJX7WYRIAVJWJ4TO · pith_short_8: AJX7WYRI

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/AJX7WYRIAVJWJ4TOHBXJKDWWG2 \
  | 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: 026ffb6228055364f26e386e950ed6369876e6b676fb263510669d0ecad668b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ea040336de938f585ee5a5dbdfdb8895392fa8232da4b1ad08475747fae0b08",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-05-11T13:18:33Z",
    "title_canon_sha256": "c45f248ac127b50af17abeae0204eefe5dcae8bfd14232209c8d741b01a3afbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0405191",
    "kind": "arxiv",
    "version": 1
  }
}