Pith Number

pith:6HCYYFPO

pith:2009:6HCYYFPODCDA3KQDZRDML5LW64

not attested not anchored not stored refs pending

New aspects of Doppler imaging in Sun-as-a-star observations

A. M. Broomhall, R. New, W. J. Chaplin, Y. Elsworth

arxiv:0904.4122 v1 · 2009-04-27 · 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{6HCYYFPODCDA3KQDZRDML5LW64}

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	2026-05-18T02:13:57.164642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1c58c15ee18860daa03cc46c5f576f730f95c289faa9cf70f4bc534c8162c30

Aliases

arxiv: 0904.4122 · arxiv_version: 0904.4122v1 · doi: 10.48550/arxiv.0904.4122 · pith_short_12: 6HCYYFPODCDA · pith_short_16: 6HCYYFPODCDA3KQD · pith_short_8: 6HCYYFPO

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/6HCYYFPODCDA3KQDZRDML5LW64 \
  | 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: f1c58c15ee18860daa03cc46c5f576f730f95c289faa9cf70f4bc534c8162c30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "766f855b573fd51dbd208bc8fee9927f7fb85da6c68c1b4fecb83aebcab0af10",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-04-27T09:51:44Z",
    "title_canon_sha256": "6a5331afbdbe9aa0df77e6fdda10d5e151dfb5529b005cd3f5fc7d142c89079b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.4122",
    "kind": "arxiv",
    "version": 1
  }
}