Pith Number

pith:W44CTMVD

pith:2012:W44CTMVDZ7CIL27FPES2HECPRZ

not attested not anchored not stored refs pending

A spatio-temporal description of the abrupt changes in the photospheric magnetic and Lorentz-force vectors during the 2011 February 15 X2.2 flare

G. J. D. Petrie

arxiv:1202.4192 v5 · 2012-02-19 · 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{W44CTMVDZ7CIL27FPES2HECPRZ}

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	2026-05-18T02:25:11.147750Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b73829b2a3cfc485ebe57925a3904f8e7ea7d94ed2e870d5de0593c708b6e70f

Aliases

arxiv: 1202.4192 · arxiv_version: 1202.4192v5 · doi: 10.48550/arxiv.1202.4192 · pith_short_12: W44CTMVDZ7CI · pith_short_16: W44CTMVDZ7CIL27F · pith_short_8: W44CTMVD

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/W44CTMVDZ7CIL27FPES2HECPRZ \
  | 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: b73829b2a3cfc485ebe57925a3904f8e7ea7d94ed2e870d5de0593c708b6e70f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99e7a0c80e34d2d9f031bc08b0f0e2a46e2564211a4f8921b2cc20047b841b4d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-02-19T22:08:40Z",
    "title_canon_sha256": "84d738bc2a8a8f4658e5dc7a4975be5305497f8c2aaa3117770934f6694280c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4192",
    "kind": "arxiv",
    "version": 5
  }
}