Pith Number

pith:QVGFM3BM

pith:1999:QVGFM3BMDT5HDHHZAPDBO7RL4U

not attested not anchored not stored refs pending

The Star Formation Histories of Two Northern LMC Fields

A. E. Dolphin

arxiv:astro-ph/9910524 v1 · 1999-10-28 · 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{QVGFM3BMDT5HDHHZAPDBO7RL4U}

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	2026-07-04T16:11:45.274717Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

854c566c2c1cfa719cf903c6177e2be52e8abea83291650f2566cf6d6fb284ee

Aliases

arxiv: astro-ph/9910524 · arxiv_version: astro-ph/9910524v1 · doi: 10.48550/arxiv.astro-ph/9910524 · pith_short_12: QVGFM3BMDT5H · pith_short_16: QVGFM3BMDT5HDHHZ · pith_short_8: QVGFM3BM

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/QVGFM3BMDT5HDHHZAPDBO7RL4U \
  | 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: 854c566c2c1cfa719cf903c6177e2be52e8abea83291650f2566cf6d6fb284ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25fe4db76403c1fce23a3abaea5c1d037329062887e1ffd6d7f3dbc614d2d73d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-10-28T17:22:51Z",
    "title_canon_sha256": "5b04bdab73909649816f98f7fde2ec7e18731854947ee0c4220672fa520fbada"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9910524",
    "kind": "arxiv",
    "version": 1
  }
}