Pith Number

pith:W2ZR43JV

pith:2010:W2ZR43JVYUKR6KWJB3KO5QV6CU

not attested not anchored not stored refs pending

Abrupt longitudinal magnetic field changes in flaring active regions

G.J.D. Petrie, J.J. Sudol

arxiv:1009.4656 v1 · 2010-09-23 · 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{W2ZR43JVYUKR6KWJB3KO5QV6CU}

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	2026-05-18T02:05:18.069042Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6b31e6d35c5151f2ac90ed4eec2be15274e5f3ec9722f3b90953347f783e676

Aliases

arxiv: 1009.4656 · arxiv_version: 1009.4656v1 · doi: 10.48550/arxiv.1009.4656 · pith_short_12: W2ZR43JVYUKR · pith_short_16: W2ZR43JVYUKR6KWJ · pith_short_8: W2ZR43JV

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/W2ZR43JVYUKR6KWJB3KO5QV6CU \
  | 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: b6b31e6d35c5151f2ac90ed4eec2be15274e5f3ec9722f3b90953347f783e676

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af51ca0ab3a2f07e9792861dba6146ccb48019e2e0b291d5d8ac24e5ffef6251",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-09-23T16:46:31Z",
    "title_canon_sha256": "fd4b892c81def1a3ca32bdb641a19c5da654ccfe36e8f6c717d735f2c31a99d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.4656",
    "kind": "arxiv",
    "version": 1
  }
}