Pith Number

pith:SZ2LPHL4

pith:2011:SZ2LPHL422YUR7LI6JVEWDDVGY

not attested not anchored not stored refs pending

The Dwarf Nova Outbursts of Nova Her 1960 (=V446 Her)

J.W. Robertson, R.K. Honeycutt, S. Kafka

arxiv:1102.3761 v1 · 2011-02-18 · 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{SZ2LPHL422YUR7LI6JVEWDDVGY}

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	2026-05-18T02:03:09.550619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9674b79d7cd6b148fd68f26a4b0c75361fdd9b6f71a3055bd01189e85feb42b7

Aliases

arxiv: 1102.3761 · arxiv_version: 1102.3761v1 · doi: 10.48550/arxiv.1102.3761 · pith_short_12: SZ2LPHL422YU · pith_short_16: SZ2LPHL422YUR7LI · pith_short_8: SZ2LPHL4

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/SZ2LPHL422YUR7LI6JVEWDDVGY \
  | 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: 9674b79d7cd6b148fd68f26a4b0c75361fdd9b6f71a3055bd01189e85feb42b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75528ab0b38cd2e3d39abfc658b5c205aecfd4339f324e36c77844a85104e39b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-02-18T06:10:34Z",
    "title_canon_sha256": "7e19d26a18c087a0fdc0b4e37365b94abc18fe39e3145a1e447f1ac9f28037f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.3761",
    "kind": "arxiv",
    "version": 1
  }
}