Pith Number

pith:4VE5AV5V

pith:2000:4VE5AV5VPZVQQGRRERKJKGAQPK

not attested not anchored not stored refs pending

Line formation in solar granulation: II. The photospheric Fe abundance

AA. Nordlund, M. Asplund, R.F. Stein, R. Trampedach

arxiv:astro-ph/0005321 v1 · 2000-05-15 · 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{4VE5AV5VPZVQQGRRERKJKGAQPK}

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

Differentiable Stellar Atmospheres with Physics-Informed Neural Networks

Receipt and verification

First computed	2026-07-04T14:10:22.107842Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e549d057b57e6b081a3124549518107a8ba6cd6f44c27a8639b70403bfd72dd3

Aliases

arxiv: astro-ph/0005321 · arxiv_version: astro-ph/0005321v1 · doi: 10.48550/arxiv.astro-ph/0005321 · pith_short_12: 4VE5AV5VPZVQ · pith_short_16: 4VE5AV5VPZVQQGRR · pith_short_8: 4VE5AV5V

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/4VE5AV5VPZVQQGRRERKJKGAQPK \
  | 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: e549d057b57e6b081a3124549518107a8ba6cd6f44c27a8639b70403bfd72dd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6bfce2925057699c7f8384ac09ad867f52a773835df29962011bacc1ffee41ff",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-05-15T23:05:10Z",
    "title_canon_sha256": "5a78202cf9c7e5443a81d06c0eeab8ac56276a49906171d25520945ea875d07d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0005321",
    "kind": "arxiv",
    "version": 1
  }
}