Pith Number

pith:FCRGIF3G

pith:2009:FCRGIF3GMJN5I6WKEGCFX2REFJ

not attested not anchored not stored refs pending

Outflows at the Edges of an Active Region in a Coronal Hole: A Signature of Active Region Expansion?

D. Baker, J. Sun, L. van Driel-Gesztelyi, M. J. Murray

arxiv:0912.1246 v1 · 2009-12-07 · 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{FCRGIF3GMJN5I6WKEGCFX2REFJ}

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	2026-05-18T02:10:25.983430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28a2641766625bd47aca21845bea242a55acd18fc1b7023d73c837066f2ee437

Aliases

arxiv: 0912.1246 · arxiv_version: 0912.1246v1 · doi: 10.48550/arxiv.0912.1246 · pith_short_12: FCRGIF3GMJN5 · pith_short_16: FCRGIF3GMJN5I6WK · pith_short_8: FCRGIF3G

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/FCRGIF3GMJN5I6WKEGCFX2REFJ \
  | 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: 28a2641766625bd47aca21845bea242a55acd18fc1b7023d73c837066f2ee437

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56dfb89d95c117ba3713a28ef1210b18fbff5fb039ad82d0aaf09994d446c075",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-12-07T14:15:19Z",
    "title_canon_sha256": "d6e0021068c3e2b890a1fd57e2e4dbd0dd00213d5b6ee29b86526561cf82edfc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.1246",
    "kind": "arxiv",
    "version": 1
  }
}