Pith Number

pith:MXJUHM3Q

pith:2018:MXJUHM3QRUHLY2UR4NVMF2LCVS

not attested not anchored not stored refs pending

M subdwarf research. I. Identification, modified classification system, and sample construction

A-Li Luo, Georges Comte, John E. Gizis, Li Qin, Rui Wang, Shuo Zhang, Xiao Kong, Yinbi Li, Yu Bai, Zhenping Yi

arxiv:1812.11088 v2 · 2018-12-28 · 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{MXJUHM3QRUHLY2UR4NVMF2LCVS}

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	2026-07-05T00:20:11.321567Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65d343b3708d0ebc6a91e36ac2e962acaa770a45307753423459d5363d956f49

Aliases

arxiv: 1812.11088 · arxiv_version: 1812.11088v2 · doi: 10.48550/arxiv.1812.11088 · pith_short_12: MXJUHM3QRUHL · pith_short_16: MXJUHM3QRUHLY2UR · pith_short_8: MXJUHM3Q

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/MXJUHM3QRUHLY2UR4NVMF2LCVS \
  | 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: 65d343b3708d0ebc6a91e36ac2e962acaa770a45307753423459d5363d956f49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8237abf5a9579df53a67270c02d79f388adee54f5e771619a74501517813170e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-12-28T16:14:07Z",
    "title_canon_sha256": "b4d10f38bd696f5cbef81c0be857a587dec38e141fce385fc3e949157a43136d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.11088",
    "kind": "arxiv",
    "version": 2
  }
}