Pith Number

pith:UGBACHVI

pith:2012:UGBACHVIRXSE6O2HPL6SUXLWJA

not attested not anchored not stored refs pending

Systematic Center-to-Limb Variation in Measured Helioseismic Travel Times and Its Effect on Inferences of Solar Interior Meridional Flows

A. G. Kosovichev, Junwei Zhao, Kaori Nagashima, R. S. Bogart, T. L. Duvall Jr

arxiv:1203.1904 v1 · 2012-03-08 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UGBACHVIRXSE6O2HPL6SUXLWJA}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:58:12.817483Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a182011ea88de44f3b477afd2a5d7648302ac23493e9d5daebea63fe2a29d896

Aliases

arxiv: 1203.1904 · arxiv_version: 1203.1904v1 · doi: 10.48550/arxiv.1203.1904 · pith_short_12: UGBACHVIRXSE · pith_short_16: UGBACHVIRXSE6O2H · pith_short_8: UGBACHVI

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/UGBACHVIRXSE6O2HPL6SUXLWJA \
  | 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: a182011ea88de44f3b477afd2a5d7648302ac23493e9d5daebea63fe2a29d896

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7023a129cf700eb99f71fcd0cee00502386ca158cb503b35c2a6f0d1c188d6fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-03-08T20:12:47Z",
    "title_canon_sha256": "676049a2338f01c25a555aaf6091e9871bec68beb016615c642681ee77fee466"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.1904",
    "kind": "arxiv",
    "version": 1
  }
}