Pith Number

pith:U4Y45N3G

pith:2020:U4Y45N3GNFNI5NBROIPJZDNPFC

not attested not anchored not stored refs pending

Stellar parametrization of LAMOST M dwarf stars

Bo Zhang, Chao Liu, Dan Qiu, Haijun Tian, Hao Tian, Jiadong Li

arxiv:2012.14080 v2 · 2020-12-28 · astro-ph.SR · astro-ph.EP · 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{U4Y45N3GNFNI5NBROIPJZDNPFC}

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	2026-07-05T02:33:25.530448Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a731ceb766695a8eb431721e9c8daf288bfdb5e228ba2965580446ffe481267e

Aliases

arxiv: 2012.14080 · arxiv_version: 2012.14080v2 · doi: 10.48550/arxiv.2012.14080 · pith_short_12: U4Y45N3GNFNI · pith_short_16: U4Y45N3GNFNI5NBR · pith_short_8: U4Y45N3G

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/U4Y45N3GNFNI5NBROIPJZDNPFC \
  | 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: a731ceb766695a8eb431721e9c8daf288bfdb5e228ba2965580446ffe481267e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5bb0d75c0817d8cc2c980293fbd313e5369fda73517e25369c595ceca274e6e9",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-12-28T03:46:39Z",
    "title_canon_sha256": "ebac03bb0e8291d253be38511a7701b0f454a28ece033485eb3118a9a2c6167c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.14080",
    "kind": "arxiv",
    "version": 2
  }
}