Pith Number

pith:FWCVFHKZ

pith:2006:FWCVFHKZCVAFKVSK6KCANIR5J3

not attested not anchored not stored refs pending

The uncombed penumbra

J.M. Borrero, M. Rempel, S.K. Solanki

arxiv:astro-ph/0602129 v1 · 2006-02-06 · 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{FWCVFHKZCVAFKVSK6KCANIR5J3}

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	2026-07-04T14:52:34.349865Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d85529d59154055564af28406a23d4ed2f3d8adf14916eecf2c1e025f1407a1

Aliases

arxiv: astro-ph/0602129 · arxiv_version: astro-ph/0602129v1 · doi: 10.48550/arxiv.astro-ph/0602129 · pith_short_12: FWCVFHKZCVAF · pith_short_16: FWCVFHKZCVAFKVSK · pith_short_8: FWCVFHKZ

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/FWCVFHKZCVAFKVSK6KCANIR5J3 \
  | 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: 2d85529d59154055564af28406a23d4ed2f3d8adf14916eecf2c1e025f1407a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84ab9b7b2f207bf142bcd0bf2a55b5a4ffa81582184098a37d1574d679986769",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-02-06T17:20:10Z",
    "title_canon_sha256": "f48bbe9a953adedf90b1614bcc05ad5eea722ec7286cb5561cf369d4c8903a4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0602129",
    "kind": "arxiv",
    "version": 1
  }
}