Pith Number

pith:KXTWL2CQ

pith:2018:KXTWL2CQM7KBEY4JTCN2433TIB

not attested not anchored not stored refs pending

Probing sunspots with two-skip time-distance helioseismology

D. Przybylski, K. Nagashima, L. Gizon, P. S. Cally, T. L. Duvall Jr.

arxiv:1806.01032 v3 · 2018-06-04 · 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{KXTWL2CQM7KBEY4JTCN2433TIB}

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	2026-05-18T00:14:03.699668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55e765e85067d4126389989bae6f73405d7681ea2a0a6d29224209e9bb6451ce

Aliases

arxiv: 1806.01032 · arxiv_version: 1806.01032v3 · doi: 10.48550/arxiv.1806.01032 · pith_short_12: KXTWL2CQM7KB · pith_short_16: KXTWL2CQM7KBEY4J · pith_short_8: KXTWL2CQ

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/KXTWL2CQM7KBEY4JTCN2433TIB \
  | 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: 55e765e85067d4126389989bae6f73405d7681ea2a0a6d29224209e9bb6451ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38899219cf68d669d09dd7cd4873fb49bead4e6b3720b46c362668b507b4df45",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-06-04T09:59:00Z",
    "title_canon_sha256": "42039f95d7a46e83406c643c030a141568930a249c1bd00247ef5c17b6c91e8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.01032",
    "kind": "arxiv",
    "version": 3
  }
}