Pith Number

pith:44HOOB44

pith:2012:44HOOB44WD64OYTNNDHFU3DWKO

not attested not anchored not stored refs pending

Sound-speed inversion of the Sun using a nonlocal statistical convection theory

Chunguang Zhang, Darun Xiong, J{\o}rgen Christensen-Dalsgaard, Licai Deng

arxiv:1210.4286 v1 · 2012-10-16 · 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{44HOOB44WD64OYTNNDHFU3DWKO}

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	2026-05-18T03:43:06.423971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e70ee7079cb0fdc7626d68ce5a6c7653a7ab18a8042224831c1c262b0309b76d

Aliases

arxiv: 1210.4286 · arxiv_version: 1210.4286v1 · doi: 10.48550/arxiv.1210.4286 · pith_short_12: 44HOOB44WD64 · pith_short_16: 44HOOB44WD64OYTN · pith_short_8: 44HOOB44

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/44HOOB44WD64OYTNNDHFU3DWKO \
  | 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: e70ee7079cb0fdc7626d68ce5a6c7653a7ab18a8042224831c1c262b0309b76d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2cf7810be0cf265ed1c5b71af61f2c8b84fd6032da4b49a1c865df66cff36ea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-10-16T07:55:24Z",
    "title_canon_sha256": "89d9f9ae0f4254c83ae38fe28407dd178397696dcaa984e2f7cb487861c212d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.4286",
    "kind": "arxiv",
    "version": 1
  }
}