Pith Number

pith:3YIFWTAU

pith:2011:3YIFWTAUL5L2KAK54PGNTU72BV

not attested not anchored not stored refs pending

The Orbital Period and Variability of the Dwarf Nova ES Draconis

F. A. Ringwald, Kenia Velasco

arxiv:1107.4175 v1 · 2011-07-21 · 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{3YIFWTAUL5L2KAK54PGNTU72BV}

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	2026-05-18T02:01:13.853070Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de105b4c145f57a5015de3ccd9d3fa0d71db472c02c6e60715a0b12c58525af6

Aliases

arxiv: 1107.4175 · arxiv_version: 1107.4175v1 · doi: 10.48550/arxiv.1107.4175 · pith_short_12: 3YIFWTAUL5L2 · pith_short_16: 3YIFWTAUL5L2KAK5 · pith_short_8: 3YIFWTAU

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/3YIFWTAUL5L2KAK54PGNTU72BV \
  | 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: de105b4c145f57a5015de3ccd9d3fa0d71db472c02c6e60715a0b12c58525af6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9449d99b9d7582bdaba10453be3ec4ec0792bcd31bf1d4c68f9fe2d121b8853",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-07-21T06:13:31Z",
    "title_canon_sha256": "a60eff4dd85e53cea8279dfcc41ce77fd8fc801b324dc4f2abba2a80fc89be8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.4175",
    "kind": "arxiv",
    "version": 1
  }
}