Pith Number

pith:SVNWYNDL

pith:2019:SVNWYNDLC7S4DTOH4WW4PMHE3K

not attested not anchored not stored refs pending

Supervised Neural Networks for Helioseismic Ring-Diagram Inversions

Chris S. Hanson, Laurent Gizon, Rasha Alshehhi, Shravan Hanasoge

arxiv:1901.01505 v1 · 2019-01-06 · astro-ph.SR · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SVNWYNDLC7S4DTOH4WW4PMHE3K}

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	2026-05-17T23:54:42.503765Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

955b6c346b17e5c1cdc7e5adc7b0e4da8d5c7342ced193fa2201d6c11a638db5

Aliases

arxiv: 1901.01505 · arxiv_version: 1901.01505v1 · doi: 10.48550/arxiv.1901.01505 · pith_short_12: SVNWYNDLC7S4 · pith_short_16: SVNWYNDLC7S4DTOH · pith_short_8: SVNWYNDL

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/SVNWYNDLC7S4DTOH4WW4PMHE3K \
  | 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: 955b6c346b17e5c1cdc7e5adc7b0e4da8d5c7342ced193fa2201d6c11a638db5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c973eefa0d3ebff161361dbe6d10dab516f26253d4d4d47dbc53a27efadb31e7",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-01-06T06:33:06Z",
    "title_canon_sha256": "9f528ae49df85d7f30375fb6d4dcf016bd569785b45199ef1ebecfd8442006f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.01505",
    "kind": "arxiv",
    "version": 1
  }
}