Pith Number

pith:HGVIFPLI

pith:2013:HGVIFPLIRCWASEO36Z7D6JBR3H

not attested not anchored not stored refs pending

Helioseismology of Pre-Emerging Active Regions III: Statistical Analysis

A.C. Birch, D.C. Braun, G. Barnes, K.D. Leka

arxiv:1307.1938 v1 · 2013-07-08 · 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{HGVIFPLIRCWASEO36Z7D6JBR3H}

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	2026-05-18T01:08:21.594255Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39aa82bd6888ac0911dbf67e3f2431d9f2096850c55ca0e43ff8f65539b71c9a

Aliases

arxiv: 1307.1938 · arxiv_version: 1307.1938v1 · doi: 10.48550/arxiv.1307.1938 · pith_short_12: HGVIFPLIRCWA · pith_short_16: HGVIFPLIRCWASEO3 · pith_short_8: HGVIFPLI

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/HGVIFPLIRCWASEO36Z7D6JBR3H \
  | 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: 39aa82bd6888ac0911dbf67e3f2431d9f2096850c55ca0e43ff8f65539b71c9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "266f3ebbfee0f41c4906ac3fb40426e4ac15f3104f3c6dbbee05acfcbc245fdf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-07-08T03:05:39Z",
    "title_canon_sha256": "903c04cf6f6492854234088de6b2919850ce078882a70cf4e9a5da04ac588e51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.1938",
    "kind": "arxiv",
    "version": 1
  }
}