Pith Number

pith:3FDA2VBD

pith:2009:3FDA2VBDB2WLRVL3T6X2LQYFZG

not attested not anchored not stored refs pending

Measuring the Hidden Aspects of Solar Magnetism

J.O. Stenflo

arxiv:0903.4935 v1 · 2009-03-28 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3FDA2VBDB2WLRVL3T6X2LQYFZG}

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	2026-05-18T02:14:18.898724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9460d54230eacb8d57b9fafa5c305c99f7301e999a9e4ec91d605ce5d26e39a

Aliases

arxiv: 0903.4935 · arxiv_version: 0903.4935v1 · doi: 10.48550/arxiv.0903.4935 · pith_short_12: 3FDA2VBDB2WL · pith_short_16: 3FDA2VBDB2WLRVL3 · pith_short_8: 3FDA2VBD

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/3FDA2VBDB2WLRVL3T6X2LQYFZG \
  | 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: d9460d54230eacb8d57b9fafa5c305c99f7301e999a9e4ec91d605ce5d26e39a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9544f4fc3e702ca2a2da415703a37ec61e0c3bca15c51ef554c83b192f2130ad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-03-28T03:14:10Z",
    "title_canon_sha256": "0f175fd2543582e4adbc6fc4a6a3c629568b957cc6564f735e5fa271cd0f6cdc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.4935",
    "kind": "arxiv",
    "version": 1
  }
}