pith. sign in
Pith Number

pith:JC66JWOF

pith:2015:JC66JWOFRQDMXINYOM7VILYRYD
not attested not anchored not stored refs pending

Uncertainties in The Interstellar Extinction Curve and the Cepheid Distance to M101

David M. Nataf

arxiv:1501.05311 v1 · 2015-01-21 · astro-ph.GA · astro-ph.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{JC66JWOFRQDMXINYOM7VILYRYD}

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.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-05-18T01:41:09.500628Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

48bde4d9c58c06cba1b8733f542f11c0fa174a4bd62279b699adbee7e155a0ff

Aliases

arxiv: 1501.05311 · arxiv_version: 1501.05311v1 · doi: 10.48550/arxiv.1501.05311 · pith_short_12: JC66JWOFRQDM · pith_short_16: JC66JWOFRQDMXINY · pith_short_8: JC66JWOF
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/JC66JWOFRQDMXINYOM7VILYRYD \
  | 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: 48bde4d9c58c06cba1b8733f542f11c0fa174a4bd62279b699adbee7e155a0ff
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "ebb5a1d3bc3c71643ce2665fac2a81836902cdd2bac31a92d04092c52530c6dc",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-01-21T21:00:13Z",
    "title_canon_sha256": "ba9c1fc87ac75e2f0b71e3bc61568e9a39d79a74d03536ce565ff77c343adf52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.05311",
    "kind": "arxiv",
    "version": 1
  }
}