Pith Number

pith:NI3PVBKN

pith:2007:NI3PVBKN47HTYHJETLBZBNTGTB

not attested not anchored not stored refs pending

The Analysis of Penumbral Fine Structure Using an Advanced Inversion Technique

Alan Title, Bruce Lites, Jan Jur\v{c}\'ak, Kiyoshi Ichimoto, Luis Bellot Rubio, Saku Tsuneta, Shin'ichi Nagata, Theodore Tarbell, Toshifumi Shimizu, Yoshinori Suematsu, Yukio Katsukawa

arxiv:0707.1560 v1 · 2007-07-11 · 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{NI3PVBKN47HTYHJETLBZBNTGTB}

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	2026-05-18T02:16:29.454039Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a36fa854de7cf3c1d249ac390b6669859a03d28de0258e6d11a0dca88e09927

Aliases

arxiv: 0707.1560 · arxiv_version: 0707.1560v1 · doi: 10.48550/arxiv.0707.1560 · pith_short_12: NI3PVBKN47HT · pith_short_16: NI3PVBKN47HTYHJE · pith_short_8: NI3PVBKN

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/NI3PVBKN47HTYHJETLBZBNTGTB \
  | 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: 6a36fa854de7cf3c1d249ac390b6669859a03d28de0258e6d11a0dca88e09927

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a465db60abe5c9bb2f7dbed9397bbab006b2ea161480abd69ab7fb773262a222",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-07-11T05:10:57Z",
    "title_canon_sha256": "f26b367e5a7b0a5ffb19ab72fb423ffa85c3f4cf49b67474b86f76c3b6cb23d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0707.1560",
    "kind": "arxiv",
    "version": 1
  }
}