Pith Number

pith:XNTCZP27

pith:2020:XNTCZP27JXMQ3DYLMBRIPMK4KY

not attested not anchored not stored refs pending

The contact binary V344 Lacertae: is it a triple system?

Ergang Zhao, Jiajia He, Kai Li, Liang Liu, Linjia Li, Shengbang Qian, Xuzhi Li

arxiv:2006.16475 v1 · 2020-06-30 · 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{XNTCZP27JXMQ3DYLMBRIPMK4KY}

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	2026-07-05T01:14:55.327255Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb662cbf5f4dd90d8f0b606287b15c560ad1def948a06a754912a5baba46c580

Aliases

arxiv: 2006.16475 · arxiv_version: 2006.16475v1 · doi: 10.48550/arxiv.2006.16475 · pith_short_12: XNTCZP27JXMQ · pith_short_16: XNTCZP27JXMQ3DYL · pith_short_8: XNTCZP27

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/XNTCZP27JXMQ3DYLMBRIPMK4KY \
  | 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: bb662cbf5f4dd90d8f0b606287b15c560ad1def948a06a754912a5baba46c580

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc7987d0e98f7348bb553a7ec41135b3db98930758db7617f0ce8c0bffdd7bb9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-06-30T02:15:54Z",
    "title_canon_sha256": "e6001fd50ed586fd7ba948f8eb87f1378aa36ba832c9ee1145f50c1cd6e124aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.16475",
    "kind": "arxiv",
    "version": 1
  }
}