Pith Number

pith:DJ6LAI5B

pith:2016:DJ6LAI5BYHNYO25RIUIDAONKV4

not attested not anchored not stored refs pending

Variability in the Milky Way: Contact binaries as diagnostic tools

Licai Deng (NAOC), Peking University/ISSI-Beijing), Peking University/NAOC), Richard de Grijs (KIAA, Xiaodian Chen (KIAA

arxiv:1611.08409 v1 · 2016-11-25 · 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{DJ6LAI5BYHNYO25RIUIDAONKV4}

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	2026-05-18T00:56:39.132558Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a7cb023a1c1db876bb145103039aaaf0852d55f1850d4f470db62675c57a1fe

Aliases

arxiv: 1611.08409 · arxiv_version: 1611.08409v1 · doi: 10.48550/arxiv.1611.08409 · pith_short_12: DJ6LAI5BYHNY · pith_short_16: DJ6LAI5BYHNYO25R · pith_short_8: DJ6LAI5B

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/DJ6LAI5BYHNYO25RIUIDAONKV4 \
  | 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: 1a7cb023a1c1db876bb145103039aaaf0852d55f1850d4f470db62675c57a1fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14955ad430aa4b115a2f0951974c9cc21757739d0601ecc5accc72d51b5eab73",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-11-25T10:41:14Z",
    "title_canon_sha256": "ec5395a1df804e7e9fd994fdfac845d5e5abaca1df4f972bd96db5f79d06b696"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.08409",
    "kind": "arxiv",
    "version": 1
  }
}