Pith Number

pith:2MBBJFUJ

pith:2016:2MBBJFUJP2II44HT4VWJCQWXCQ

not attested not anchored not stored refs pending

Estimate the radius of the convective core of main-sequence stars from observed oscillation frequencies

Wuming Yang

arxiv:1607.06164 v1 · 2016-07-21 · 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{2MBBJFUJP2II44HT4VWJCQWXCQ}

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	2026-05-18T01:03:17.939067Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3021496897e908e70f3e56c9142d71402ed26cf0d6b6caf41c1e084bc6d371b

Aliases

arxiv: 1607.06164 · arxiv_version: 1607.06164v1 · doi: 10.48550/arxiv.1607.06164 · pith_short_12: 2MBBJFUJP2II · pith_short_16: 2MBBJFUJP2II44HT · pith_short_8: 2MBBJFUJ

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/2MBBJFUJP2II44HT4VWJCQWXCQ \
  | 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: d3021496897e908e70f3e56c9142d71402ed26cf0d6b6caf41c1e084bc6d371b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2697c3e4bf4106e3bb63c010ca1dad8613e4f28d90ce3b547baf6355c9e3ae4d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-07-21T01:05:58Z",
    "title_canon_sha256": "a4464f93482b1ca13bd68592a3ad5a5583b935b58ba95d470d1c5b42cf223a84"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.06164",
    "kind": "arxiv",
    "version": 1
  }
}