Pith Number

pith:BBKYCQHW

pith:2000:BBKYCQHWAPYPJLN5SOWSPSHU5S

not attested not anchored not stored refs pending

The solar dynamo: old, recent, and new problems

Axel Brandenburg

arxiv:astro-ph/0011579 v1 · 2000-11-30 · 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{BBKYCQHWAPYPJLN5SOWSPSHU5S}

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	2026-07-04T14:10:55.079664Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08558140f603f0f4adbd93ad27c8f4ec88c5c76604f257c11f496e3195e3d54c

Aliases

arxiv: astro-ph/0011579 · arxiv_version: astro-ph/0011579v1 · doi: 10.48550/arxiv.astro-ph/0011579 · pith_short_12: BBKYCQHWAPYP · pith_short_16: BBKYCQHWAPYPJLN5 · pith_short_8: BBKYCQHW

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/BBKYCQHWAPYPJLN5SOWSPSHU5S \
  | 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: 08558140f603f0f4adbd93ad27c8f4ec88c5c76604f257c11f496e3195e3d54c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8d28f206a766c743e95a157b0ed8801b6b33b448f54358d572e44814dbc64f7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-11-30T18:58:32Z",
    "title_canon_sha256": "8c561105385992b5c8b5384fc083ee72deb7bad8bb2977c07666d2ccd6ccc1bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0011579",
    "kind": "arxiv",
    "version": 1
  }
}