Pith. sign in
Pith Number

pith:SELVHNBU

pith:1999:SELVHNBUMKMII2PTYCH3NW7ODC
not attested not anchored not stored refs pending

The Age of Beta Pic

(2) CfA, (3) University of Georgia), D. Barrado y Navascues (1), I. Song (3), J-P. Caillault (3) ((1) MPIA, J.R. Stauffer (2)

arxiv:astro-ph/9905242 v1 · 1999-05-19 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{SELVHNBUMKMII2PTYCH3NW7ODC}

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.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-07-04T16:11:13.802115Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

911753b43462988469f3c08fb6dbee188158a81a2c9aec9bb4ef1e1afa34b43a

Aliases

arxiv: astro-ph/9905242 · arxiv_version: astro-ph/9905242v1 · doi: 10.48550/arxiv.astro-ph/9905242 · pith_short_12: SELVHNBUMKMI · pith_short_16: SELVHNBUMKMII2PT · pith_short_8: SELVHNBU
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/SELVHNBUMKMII2PTYCH3NW7ODC \
  | 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: 911753b43462988469f3c08fb6dbee188158a81a2c9aec9bb4ef1e1afa34b43a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f8e364d2d911347086029ce71833a297f304694b91b22bfc99dfbc5d15b9284b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-05-19T07:59:23Z",
    "title_canon_sha256": "9eb5c18bb2c051a0e8d468ede7eaa17a1eedecec4e1e5e2bbb06c7e8666cd17c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9905242",
    "kind": "arxiv",
    "version": 1
  }
}