Pith Number

pith:XH26GW2D

pith:2019:XH26GW2D6IJUNFVB7LYLAEKP3P

not attested not anchored not stored refs pending

NSV 1440: First WZ Sge-type Object in AM CVn stars and candidates

Berto Monard, Daisaku Nogami, Franz-Josef Hambsch, Gordon Myers, Keisuke Isogai, Lewis M. Cook, Peter Starr, Taichi Kato

arxiv:1901.11425 v1 · 2019-01-31 · 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{XH26GW2D6IJUNFVB7LYLAEKP3P}

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	2026-05-17T23:50:55.910219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9f5e35b43f2134696a1faf0b0114fdbecc6925f18e2bec944a80f85505a1651

Aliases

arxiv: 1901.11425 · arxiv_version: 1901.11425v1 · doi: 10.48550/arxiv.1901.11425 · pith_short_12: XH26GW2D6IJU · pith_short_16: XH26GW2D6IJUNFVB · pith_short_8: XH26GW2D

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/XH26GW2D6IJUNFVB7LYLAEKP3P \
  | 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: b9f5e35b43f2134696a1faf0b0114fdbecc6925f18e2bec944a80f85505a1651

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "350849274307aed0288b946b0ce980d010002de5a2946147a7c69e2c01db8652",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-01-31T15:24:14Z",
    "title_canon_sha256": "d79dda2ac35cd9aecb21b07fbfdf60926c065ae550f172e238738fd12cd69cb4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.11425",
    "kind": "arxiv",
    "version": 1
  }
}