Pith Number

pith:GZQ46S2C

pith:2012:GZQ46S2CAICDA5S6V23Y2VGRK3

not attested not anchored not stored refs pending

Rapid Transition of Uncombed Penumbrae to Faculae during Large Flares

Chang Liu, Haimin Wang, Na Deng

arxiv:1203.2267 v1 · 2012-03-10 · 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{GZQ46S2CAICDA5S6V23Y2VGRK3}

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	2026-05-18T04:00:25.962770Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3661cf4b42020430765eaeb78d54d156d5b0e023db2bd4be4fdfd47aaac657d7

Aliases

arxiv: 1203.2267 · arxiv_version: 1203.2267v1 · doi: 10.48550/arxiv.1203.2267 · pith_short_12: GZQ46S2CAICD · pith_short_16: GZQ46S2CAICDA5S6 · pith_short_8: GZQ46S2C

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/GZQ46S2CAICDA5S6V23Y2VGRK3 \
  | 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: 3661cf4b42020430765eaeb78d54d156d5b0e023db2bd4be4fdfd47aaac657d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ac8bbca091261b17d541ddcc92f39d17eae611f9834ceb4d89c6e52a35d7d1d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-03-10T17:30:47Z",
    "title_canon_sha256": "b6e7349bb86d22724835033ff01b86a29e07e2ba3edc43d41bea51a575860015"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.2267",
    "kind": "arxiv",
    "version": 1
  }
}