Pith Number

pith:CIXEEIWF

pith:2010:CIXEEIWF5AH7CB424WATDZL6DD

not attested not anchored not stored refs pending

Ellipsoidal Variability and the Difference between Sequence D and E Red Giants

C. P. Nicholls, M.-R. L. Cioni, P. R. Wood

arxiv:1002.3651 v1 · 2010-02-19 · 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{CIXEEIWF5AH7CB424WATDZL6DD}

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	2026-05-18T02:08:59.221427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

122e4222c5e80ff1079ae58131e57e18e6eb12bb70892a32b224b59b4f0691b7

Aliases

arxiv: 1002.3651 · arxiv_version: 1002.3651v1 · doi: 10.48550/arxiv.1002.3651 · pith_short_12: CIXEEIWF5AH7 · pith_short_16: CIXEEIWF5AH7CB42 · pith_short_8: CIXEEIWF

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/CIXEEIWF5AH7CB424WATDZL6DD \
  | 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: 122e4222c5e80ff1079ae58131e57e18e6eb12bb70892a32b224b59b4f0691b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40e5ce398f868707005a3f107f7c616dcfb99314c7064ef8bc23e03447695996",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-02-19T01:12:00Z",
    "title_canon_sha256": "1feca21d306e4bba3f514f24c85edcc4219387ff96f9d487e15d434ba7212752"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.3651",
    "kind": "arxiv",
    "version": 1
  }
}