Pith Number

pith:IOVTGL7Z

pith:2011:IOVTGL7ZK4NSUBRP6W3BLCGVA2

not attested not anchored not stored refs pending

On Orbital Period Changes in Nova Outbursts

Bradley E. Schaefer, Mario Livio, Rebecca G. Martin

arxiv:1104.0864 v1 · 2011-04-05 · 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{IOVTGL7ZK4NSUBRP6W3BLCGVA2}

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	2026-05-18T02:02:37.802858Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43ab332ff9571b2a062ff5b61588d506ba47279d42c969730bd75a394c116f25

Aliases

arxiv: 1104.0864 · arxiv_version: 1104.0864v1 · doi: 10.48550/arxiv.1104.0864 · pith_short_12: IOVTGL7ZK4NS · pith_short_16: IOVTGL7ZK4NSUBRP · pith_short_8: IOVTGL7Z

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/IOVTGL7ZK4NSUBRP6W3BLCGVA2 \
  | 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: 43ab332ff9571b2a062ff5b61588d506ba47279d42c969730bd75a394c116f25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc4323aef5983978bbd85745745fb8b878aaa71701ca649fa84ab808cb42fc03",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-04-05T14:52:55Z",
    "title_canon_sha256": "f1cb8c895b51312d1ac6fd35ceffaf2aebf61d6bc7b87a7d4737356135490f3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.0864",
    "kind": "arxiv",
    "version": 1
  }
}