Pith Number

pith:WI34ULIJ

pith:2012:WI34ULIJAFO7DHIZIYARAJKEST

not attested not anchored not stored refs pending

Evidence for Widespread Cooling in an Active Region Observed with the SDO Atmospheric Imaging Assembly

James A. Klimchuk, NASA Goddard Space Flight Center, Nicholeen M. Viall

arxiv:1202.4001 v2 · 2012-02-17 · astro-ph.SR · physics.space-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WI34ULIJAFO7DHIZIYARAJKEST}

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	2026-05-18T01:58:23.993975Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b237ca2d09015df19d19460110254494e7d192681e692e8906733215c4c8e02f

Aliases

arxiv: 1202.4001 · arxiv_version: 1202.4001v2 · doi: 10.48550/arxiv.1202.4001 · pith_short_12: WI34ULIJAFO7 · pith_short_16: WI34ULIJAFO7DHIZ · pith_short_8: WI34ULIJ

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/WI34ULIJAFO7DHIZIYARAJKEST \
  | 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: b237ca2d09015df19d19460110254494e7d192681e692e8906733215c4c8e02f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "232c3d1d5b380189be1fe44321a117468611679e2cb2d418a922626463db2784",
    "cross_cats_sorted": [
      "physics.space-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-02-17T20:07:09Z",
    "title_canon_sha256": "66c6b0ea4a724dcdf7854d5d500ffa34d462de492d190d00efff7a8ea7293ec3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4001",
    "kind": "arxiv",
    "version": 2
  }
}