Pith Number

pith:Z4JTDTLL

pith:2012:Z4JTDTLL3BA22LQTMXP7IVD2FT

not attested not anchored not stored refs pending

Abrupt changes in photospheric magnetic and Lorentz-force vectors during neutral-line flares

Gordon Petrie

arxiv:1211.2210 v1 · 2012-11-09 · 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{Z4JTDTLL3BA22LQTMXP7IVD2FT}

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	2026-05-18T03:41:11.447582Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf1331cd6bd841ad2e1365dff4547a2ced21ce00fed0b28a539bb03bc621ed56

Aliases

arxiv: 1211.2210 · arxiv_version: 1211.2210v1 · doi: 10.48550/arxiv.1211.2210 · pith_short_12: Z4JTDTLL3BA2 · pith_short_16: Z4JTDTLL3BA22LQT · pith_short_8: Z4JTDTLL

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/Z4JTDTLL3BA22LQTMXP7IVD2FT \
  | 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: cf1331cd6bd841ad2e1365dff4547a2ced21ce00fed0b28a539bb03bc621ed56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d85e11c41c45c0f1b1890758fd7a71bc0f2722882cb83dfadcd10b3d8c8c68b8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-11-09T18:48:36Z",
    "title_canon_sha256": "2fd65c41afa04dcbf6dc8f124bd45a87161134cd5427ab726d1b6b781138bc60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.2210",
    "kind": "arxiv",
    "version": 1
  }
}