Pith Number

pith:OQGFBYRL

pith:2017:OQGFBYRLBMTE4DYDO6MJ4YR5H5

not attested not anchored not stored refs pending

Helioseismic Holography of Simulated Sunspots: dependence of the travel time on magnetic field strength and Wilson depression

A. C. Birch, D. C. Braun, T. Felipe

arxiv:1705.09135 v1 · 2017-05-25 · 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{OQGFBYRLBMTE4DYDO6MJ4YR5H5}

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	2026-05-18T00:36:31.473362Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

740c50e22b0b264e0f0377989e623d3f6110b164b6548952e90730f0471cbab3

Aliases

arxiv: 1705.09135 · arxiv_version: 1705.09135v1 · doi: 10.48550/arxiv.1705.09135 · pith_short_12: OQGFBYRLBMTE · pith_short_16: OQGFBYRLBMTE4DYD · pith_short_8: OQGFBYRL

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/OQGFBYRLBMTE4DYDO6MJ4YR5H5 \
  | 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: 740c50e22b0b264e0f0377989e623d3f6110b164b6548952e90730f0471cbab3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e701648367e2c4df5661ef11d557300b221bec2de3d62a03135d7087fd01595",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-05-25T11:46:17Z",
    "title_canon_sha256": "7f93035f284b6959b57a212c98f2937b69ffb4c512a5f245e35ed7dc31196424"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.09135",
    "kind": "arxiv",
    "version": 1
  }
}