Pith Number

pith:UL7IWDWE

pith:2016:UL7IWDWE4O43MLIUD4HVNMHTLL

not attested not anchored not stored refs pending

Physical parameter study of eight W Ursae Majoris-type contact binaries in NGC 188

Changqing Luo, Jianfeng Tian, Jinjiang Sun, Kun Wang, Licai Deng, Qiang Zhou, Qili Liu, Richard de Grijs, Xiaobin Zhang, Xiaodian Chen, Yu Xin, Zhengzhou Yan, Zhiquan Luo

arxiv:1607.06152 v1 · 2016-07-20 · astro-ph.SR · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UL7IWDWE4O43MLIUD4HVNMHTLL}

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	2026-05-18T01:01:22.983299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2fe8b0ec4e3b9b62d141f0f56b0f35ac1abd80fde59e6bd3600803df046d5c8

Aliases

arxiv: 1607.06152 · arxiv_version: 1607.06152v1 · doi: 10.48550/arxiv.1607.06152 · pith_short_12: UL7IWDWE4O43 · pith_short_16: UL7IWDWE4O43MLIU · pith_short_8: UL7IWDWE

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/UL7IWDWE4O43MLIUD4HVNMHTLL \
  | 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: a2fe8b0ec4e3b9b62d141f0f56b0f35ac1abd80fde59e6bd3600803df046d5c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e195a427e8e5c3ed937434d7d7b6c2bd4125c0cc44c4dd1a1f8c6a4e512ca58",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-07-20T23:19:47Z",
    "title_canon_sha256": "27d3038a22a9dd23159ad8667110cda6de3b540d1234c247932d4a7aa7e59fe4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.06152",
    "kind": "arxiv",
    "version": 1
  }
}