Pith Number

pith:WDA6T4AE

pith:2009:WDA6T4AE4W56UKAWNVAAWNVBAM

not attested not anchored not stored refs pending

Major Surge Activity of Super-Active Region NOAA 10484

A.K. Srivastava, P. Kumar, R. Chandra, W. Uddin

arxiv:0903.0206 v1 · 2009-03-02 · 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{WDA6T4AE4W56UKAWNVAAWNVBAM}

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	2026-05-18T02:14:37.955547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0c1e9f004e5bbea28166d400b36a10305b898b0892bfdc971b4b650e5ed3212

Aliases

arxiv: 0903.0206 · arxiv_version: 0903.0206v1 · doi: 10.48550/arxiv.0903.0206 · pith_short_12: WDA6T4AE4W56 · pith_short_16: WDA6T4AE4W56UKAW · pith_short_8: WDA6T4AE

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/WDA6T4AE4W56UKAWNVAAWNVBAM \
  | 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: b0c1e9f004e5bbea28166d400b36a10305b898b0892bfdc971b4b650e5ed3212

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8ebf476dd34b4c1d6112e6b0f7541f1d0689b4e39f32d6be8fac7937c669145",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-03-02T04:07:34Z",
    "title_canon_sha256": "1d6f121b421b5f114564e7ffdc12be537a188e890ade4ede2f2212eda43878b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.0206",
    "kind": "arxiv",
    "version": 1
  }
}