Pith Number

pith:BV6DPR6I

pith:2014:BV6DPR6I6A2CQCKZGYVRMLMGUW

not attested not anchored not stored refs pending

Characterizing Binary Properties of $5\, M_\odot$ Stars: New Approaches Using Cepheids

Nancy Remage Evans

arxiv:1401.5440 v1 · 2014-01-21 · 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{BV6DPR6I6A2CQCKZGYVRMLMGUW}

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	2026-05-18T03:01:33.756302Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d7c37c7c8f034280959362b162d86a58da0a1d2891918196afa755c67c2577b

Aliases

arxiv: 1401.5440 · arxiv_version: 1401.5440v1 · doi: 10.48550/arxiv.1401.5440 · pith_short_12: BV6DPR6I6A2C · pith_short_16: BV6DPR6I6A2CQCKZ · pith_short_8: BV6DPR6I

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/BV6DPR6I6A2CQCKZGYVRMLMGUW \
  | 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: 0d7c37c7c8f034280959362b162d86a58da0a1d2891918196afa755c67c2577b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50b49d4c77fd1bf91a7a045f2f013d336069f044a6f28c56a31fc06d8b2212cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-01-21T20:04:03Z",
    "title_canon_sha256": "98e4802cade1a639a16f8d2ed904e54352d2dffb7d53c250363e833121e52eb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.5440",
    "kind": "arxiv",
    "version": 1
  }
}