Pith Number

pith:2Q2YZIXA

pith:2014:2Q2YZIXA6326X7XS2LHNXEXQGG

not attested not anchored not stored refs pending

Amplitude Modulation of Cepheid Radial Velocity Curves as a Systematic Source of Uncertainty for Baade-Wesselink Distances

Richard I. Anderson

arxiv:1408.2766 v1 · 2014-08-12 · 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{2Q2YZIXA6326X7XS2LHNXEXQGG}

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	2026-05-18T01:42:21.355984Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4358ca2e0f6f5ebfef2d2cedb92f031bfe3c4e3d305fc24e86c47207129540b

Aliases

arxiv: 1408.2766 · arxiv_version: 1408.2766v1 · doi: 10.48550/arxiv.1408.2766 · pith_short_12: 2Q2YZIXA6326 · pith_short_16: 2Q2YZIXA6326X7XS · pith_short_8: 2Q2YZIXA

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/2Q2YZIXA6326X7XS2LHNXEXQGG \
  | 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: d4358ca2e0f6f5ebfef2d2cedb92f031bfe3c4e3d305fc24e86c47207129540b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d13d242b8d2ea70b5c59412b98a39d772b7d8284e93a1191488fa12716ae12e7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-08-12T16:15:17Z",
    "title_canon_sha256": "0ea6de1dc42b1572dc577383d203cf79757decaaac61493fe3b0d0585eea5e78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.2766",
    "kind": "arxiv",
    "version": 1
  }
}