Pith Number

pith:2KDIPSOX

pith:2018:2KDIPSOXQHLY62NDR3W6XC3S4U

not attested not anchored not stored refs pending

Re-visiting the extended Schmidt law: the important role of existing stars in regulating star formation

George Helou, Jingwen Wu, Junzhi Wang, Keping Qiu, Lee Armus, Lin Yan, Luwenjia Zhou, Min Fang, Qiusheng Gu, Sabrina Stierwalt, Stephen Gwyn, Xianzhong Zheng, Yanmei Chen, Yong Shi, Yu Gao, Zhi-Yu Zhang

arxiv:1801.00888 v1 · 2018-01-03 · 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{2KDIPSOXQHLY62NDR3W6XC3S4U}

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	2026-05-18T00:23:27.987449Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d28687c9d781d78f69a38eedeb8b72e533506667d041132fb9f18dde3e067390

Aliases

arxiv: 1801.00888 · arxiv_version: 1801.00888v1 · doi: 10.48550/arxiv.1801.00888 · pith_short_12: 2KDIPSOXQHLY · pith_short_16: 2KDIPSOXQHLY62ND · pith_short_8: 2KDIPSOX

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/2KDIPSOXQHLY62NDR3W6XC3S4U \
  | 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: d28687c9d781d78f69a38eedeb8b72e533506667d041132fb9f18dde3e067390

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ae00f0838c33013c46baf2dd73377492cf4a5aeff3035c1776206b765a0d3de",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-01-03T02:58:24Z",
    "title_canon_sha256": "d3aea50b8b7bb44c0455c588114e9d6d1dc20df1af4d3cba03f3cc5523055df5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.00888",
    "kind": "arxiv",
    "version": 1
  }
}