Pith Number

pith:6VCG2G2A

pith:2014:6VCG2G2ANUDTC3JGOKPSSRPP6T

not attested not anchored not stored refs pending

Time-distance helioseismology: A new averaging scheme for measuring flow vorticity

Aaron C. Birch, Jan Langfellner, Laurent Gizon

arxiv:1408.4669 v2 · 2014-08-20 · 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{6VCG2G2ANUDTC3JGOKPSSRPP6T}

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	2026-05-18T02:30:15.423444Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5446d1b406d07316d26729f2945eff4e7d3a70bbc926795e62399fb0ee0f463

Aliases

arxiv: 1408.4669 · arxiv_version: 1408.4669v2 · doi: 10.48550/arxiv.1408.4669 · pith_short_12: 6VCG2G2ANUDT · pith_short_16: 6VCG2G2ANUDTC3JG · pith_short_8: 6VCG2G2A

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/6VCG2G2ANUDTC3JGOKPSSRPP6T \
  | 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: f5446d1b406d07316d26729f2945eff4e7d3a70bbc926795e62399fb0ee0f463

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb014f73d288c036a728f62bdd5e53cb7f46201bffd4e879d1ed039c6116d4f6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-08-20T14:20:50Z",
    "title_canon_sha256": "d1c524a8ca92ba1732f7dd9c5ba4dc70b3d9fb3d89071e7d6c21693736c22d6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.4669",
    "kind": "arxiv",
    "version": 2
  }
}