Pith Number

pith:D5OJGIDG

pith:2017:D5OJGIDGX4NF5LTY2TOPSSUWOR

not attested not anchored not stored refs pending

A new mechanism of long-term period variations for W UMa-type contact binaries

Liang Liu, Shengbang Qian, Xiao Xiong

arxiv:1712.04358 v2 · 2017-12-12 · 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{D5OJGIDGX4NF5LTY2TOPSSUWOR}

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	2026-05-18T00:28:04.270730Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f5c932066bf1a5eae78d4dcf94a96746a44911122f935f441c23cfa1dc5ecca

Aliases

arxiv: 1712.04358 · arxiv_version: 1712.04358v2 · doi: 10.48550/arxiv.1712.04358 · pith_short_12: D5OJGIDGX4NF · pith_short_16: D5OJGIDGX4NF5LTY · pith_short_8: D5OJGIDG

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/D5OJGIDGX4NF5LTY2TOPSSUWOR \
  | 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: 1f5c932066bf1a5eae78d4dcf94a96746a44911122f935f441c23cfa1dc5ecca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df5e96999cf8b8fb94f21b75f1cf33a3f9305700709655be0805f0b7f5455326",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-12-12T15:45:07Z",
    "title_canon_sha256": "3c4ffd07ef5459281d6a8ad8b1d42c9351f95674d17f336c1f0e586bf3ccbca9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.04358",
    "kind": "arxiv",
    "version": 2
  }
}