Pith Number

pith:MLUMSDCX

pith:2024:MLUMSDCX4IBJHLF2XEOMPU43GN

not attested not anchored not stored refs pending

The LAMOST Spectroscopic Survey of Supergiants in M31 and M33

Cheng Liu, Haibo Yuan, Hao Wu, Huawei Zhang, Yang Huang, Zhiying Huo

arxiv:2410.19447 v2 · 2024-10-25 · astro-ph.GA · 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{MLUMSDCX4IBJHLF2XEOMPU43GN}

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	2026-07-05T09:31:09.903090Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62e8c90c57e20293acbab91cc7d39b33436cb4ce7c7f774dc3003a7f9b07e214

Aliases

arxiv: 2410.19447 · arxiv_version: 2410.19447v2 · doi: 10.48550/arxiv.2410.19447 · pith_short_12: MLUMSDCX4IBJ · pith_short_16: MLUMSDCX4IBJHLF2 · pith_short_8: MLUMSDCX

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/MLUMSDCX4IBJHLF2XEOMPU43GN \
  | 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: 62e8c90c57e20293acbab91cc7d39b33436cb4ce7c7f774dc3003a7f9b07e214

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "352d9fd83e2d433a6a0aa6965c358a099a182b3417aae62b5f54d09444cdebb3",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2024-10-25T10:19:39Z",
    "title_canon_sha256": "bcd999bcaa8881c236552f536d216f1727ef0535ad1bc9b73a103c652e128a6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2410.19447",
    "kind": "arxiv",
    "version": 2
  }
}