Pith Number

pith:QPMZIGUB

pith:2009:QPMZIGUBRHSVBZC4KY6FBPVWVF

not attested not anchored not stored refs pending

Frequency separation variations of the solar low-degree p-modes

Wuming Yang, Xiangcun Meng

arxiv:0911.1531 v1 · 2009-11-08 · 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{QPMZIGUBRHSVBZC4KY6FBPVWVF}

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	2026-05-18T02:10:58.217523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83d9941a8189e550e45c563c50beb6a97b72cbc24850054febd6dba5b1a87713

Aliases

arxiv: 0911.1531 · arxiv_version: 0911.1531v1 · doi: 10.48550/arxiv.0911.1531 · pith_short_12: QPMZIGUBRHSV · pith_short_16: QPMZIGUBRHSVBZC4 · pith_short_8: QPMZIGUB

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/QPMZIGUBRHSVBZC4KY6FBPVWVF \
  | 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: 83d9941a8189e550e45c563c50beb6a97b72cbc24850054febd6dba5b1a87713

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fe3ffd5e24e62b88bb1072b1620ecea0f32e5b51acb01cc11959d95872a1935",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-11-08T14:21:54Z",
    "title_canon_sha256": "7cd42a1cf6b375bb91d4bb1a3e952704df1da422fc1d05243f38b4a74af64a37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.1531",
    "kind": "arxiv",
    "version": 1
  }
}