Pith Number

pith:JFIKCZNA

pith:2002:JFIKCZNAAKYGRIG7X4BKFUGHBN

not attested not anchored not stored refs pending

Disk-Halo Model for Flat-Spectrum T Tauri Stars

K. Ogochi, N. Kikuchi, T. Nakamoto

arxiv:astro-ph/0207421 v1 · 2002-07-19 · 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{JFIKCZNAAKYGRIG7X4BKFUGHBN}

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	2026-05-18T01:40:42.494852Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4950a165a002b068a0dfbf02a2d0c70b7fe8b2f7bb39659afc2466292a2aad40

Aliases

arxiv: astro-ph/0207421 · arxiv_version: astro-ph/0207421v1 · doi: 10.48550/arxiv.astro-ph/0207421 · pith_short_12: JFIKCZNAAKYG · pith_short_16: JFIKCZNAAKYGRIG7 · pith_short_8: JFIKCZNA

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/JFIKCZNAAKYGRIG7X4BKFUGHBN \
  | 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: 4950a165a002b068a0dfbf02a2d0c70b7fe8b2f7bb39659afc2466292a2aad40

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f15d0445d887c5ba9b2bfb09a83d0e637eed4577d4c8683121cae835e31ccbf",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-07-19T12:43:16Z",
    "title_canon_sha256": "7d2fe7bcd21ab18e482e2e3125208ddd917c8e6f46403bc748e0186eb454a8d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0207421",
    "kind": "arxiv",
    "version": 1
  }
}