Pith Number

pith:GIER7QWD

pith:2013:GIER7QWDM2RFKTLKTGGDPOPUEA

not attested not anchored not stored refs pending

Calculating Separate Magnetic Free Energy Estimates for Active Regions Producing Multiple Flares: NOAA AR11158

Dana W. Longcope, Lucas A. Tarr, Margaret Millhouse

arxiv:1302.1787 v1 · 2013-02-07 · 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{GIER7QWDM2RFKTLKTGGDPOPUEA}

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	2026-05-18T01:51:43.858964Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32091fc2c366a2554d6a998c37b9f4202c8f18195534b2ce86af7bb0b54106ad

Aliases

arxiv: 1302.1787 · arxiv_version: 1302.1787v1 · doi: 10.48550/arxiv.1302.1787 · pith_short_12: GIER7QWDM2RF · pith_short_16: GIER7QWDM2RFKTLK · pith_short_8: GIER7QWD

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/GIER7QWDM2RFKTLKTGGDPOPUEA \
  | 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: 32091fc2c366a2554d6a998c37b9f4202c8f18195534b2ce86af7bb0b54106ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f7ea25fda718dd00c9c36459904e3803052d7b7ad684e9d19cd4318068be66f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-02-07T15:55:12Z",
    "title_canon_sha256": "2dea8d59d3261cf2a01f7fc1dd96e536deb7287ba081544670b6fdac9fa2a73b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.1787",
    "kind": "arxiv",
    "version": 1
  }
}