Pith Number

pith:4JMTM5NS

pith:2001:4JMTM5NSBIOZHFPWJ57Q4THAPV

not attested not anchored not stored refs pending

Atmospheres and Spectra of Strongly Magnetized Neutron Stars

Dong Lai (Cornell), Wynn C. G. Ho

arxiv:astro-ph/0104199 v3 · 2001-04-11 · 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{4JMTM5NSBIOZHFPWJ57Q4THAPV}

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	2026-07-04T15:26:19.794019Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2593675b20a1d9395f64f7f0e4ce07d5420709faf9b02d48c61a26b71bcd572

Aliases

arxiv: astro-ph/0104199 · arxiv_version: astro-ph/0104199v3 · doi: 10.48550/arxiv.astro-ph/0104199 · pith_short_12: 4JMTM5NSBIOZ · pith_short_16: 4JMTM5NSBIOZHFPW · pith_short_8: 4JMTM5NS

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/4JMTM5NSBIOZHFPWJ57Q4THAPV \
  | 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: e2593675b20a1d9395f64f7f0e4ce07d5420709faf9b02d48c61a26b71bcd572

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "996f5cb9e99a548e81c4822c75fdc8d1ae2cb994d71c63af62d07bfc774a0c5f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-04-11T15:36:22Z",
    "title_canon_sha256": "28b9e7619d6897b3c24e9bc8f3677d703d6c661dd6a859458d3190adb6b858b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0104199",
    "kind": "arxiv",
    "version": 3
  }
}