Pith Number

pith:O23U7CCK

pith:2009:O23U7CCK5SZL6BLLSNSXMKMVX7

not attested not anchored not stored refs pending

Spicule-like structures observed in 3D realistic MHD simulations

B. De Pontieu, J. Martinez-Sykora, M. Carlsson, V. Hansteen

arxiv:0906.4446 v1 · 2009-06-24 · 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{O23U7CCK5SZL6BLLSNSXMKMVX7}

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	2026-05-18T04:29:42.617028Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76b74f884aecb2bf056b9365762995bfe098ce3d3b93fe9e788f47fed6f74b9b

Aliases

arxiv: 0906.4446 · arxiv_version: 0906.4446v1 · doi: 10.48550/arxiv.0906.4446 · pith_short_12: O23U7CCK5SZL · pith_short_16: O23U7CCK5SZL6BLL · pith_short_8: O23U7CCK

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/O23U7CCK5SZL6BLLSNSXMKMVX7 \
  | 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: 76b74f884aecb2bf056b9365762995bfe098ce3d3b93fe9e788f47fed6f74b9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84f00c5068ced2c89795da369db5ddb6da24eed414504a6f14f5c139b4525e6d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-06-24T10:47:55Z",
    "title_canon_sha256": "8071473e5f34637e4552dc27c98587aac736e7bfe7edf2dd1170b103384966c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.4446",
    "kind": "arxiv",
    "version": 1
  }
}