Pith Number

pith:E7CRLLWL

pith:2009:E7CRLLWLGUZFRMRZKV5U5CT5AZ

not attested not anchored not stored refs pending

Swaying threads of a solar filament

J.L. Ballester, L.H.M. Rouppe van der Voort, O. Engvold, \O. Langangen, R. Oliver, R. Soler, Y. Lin

arxiv:0909.2792 v1 · 2009-09-15 · 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{E7CRLLWLGUZFRMRZKV5U5CT5AZ}

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	2026-05-18T02:34:30.001507Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27c515aecb353258b239557b4e8a7d067909c30114b440d10533b8f0b9a25af8

Aliases

arxiv: 0909.2792 · arxiv_version: 0909.2792v1 · doi: 10.48550/arxiv.0909.2792 · pith_short_12: E7CRLLWLGUZF · pith_short_16: E7CRLLWLGUZFRMRZ · pith_short_8: E7CRLLWL

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/E7CRLLWLGUZFRMRZKV5U5CT5AZ \
  | 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: 27c515aecb353258b239557b4e8a7d067909c30114b440d10533b8f0b9a25af8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb03df032a8ec3a15ed5adbb6b1570c8e66a2939697f4e387f81ae10986b6ce9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-09-15T12:28:10Z",
    "title_canon_sha256": "62a9919db6252f0cd2224b25479584035d0d827e1966d1625f5e16b6aee32468"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.2792",
    "kind": "arxiv",
    "version": 1
  }
}