Pith Number

pith:DUOP3XSQ

pith:2013:DUOP3XSQW5HDFJQSO3WTJPYSE7

not attested not anchored not stored refs pending

Helioseismology of Pre-Emerging Active Regions I: Overview, Data, and Target Selection Criteria

A.C. Birch, B. Javornik, D.C. Braun, G. Barnes, I. Gonzalez-Hernandez, K.D. Leka, T. Dunn

arxiv:1303.1433 v1 · 2013-03-06 · 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{DUOP3XSQW5HDFJQSO3WTJPYSE7}

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	2026-05-18T03:31:43.472219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d1cfdde50b74e32a61276ed34bf1227c823ed1254c21c50d5e41f718103a858

Aliases

arxiv: 1303.1433 · arxiv_version: 1303.1433v1 · doi: 10.48550/arxiv.1303.1433 · pith_short_12: DUOP3XSQW5HD · pith_short_16: DUOP3XSQW5HDFJQS · pith_short_8: DUOP3XSQ

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/DUOP3XSQW5HDFJQSO3WTJPYSE7 \
  | 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: 1d1cfdde50b74e32a61276ed34bf1227c823ed1254c21c50d5e41f718103a858

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20e7b9950609f735ecb69344ac307270e2eeac50c0002795bde321e633e95b12",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-03-06T19:31:59Z",
    "title_canon_sha256": "8b996d1be1f6286ed05dd00b6de793db6bee9aed4cdbd9a4f2a14f7c8b470aea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.1433",
    "kind": "arxiv",
    "version": 1
  }
}