Pith Number

pith:NYQHSDH3

pith:2023:NYQHSDH33HSK5WDKRKEAHM5H4P

not attested not anchored not stored refs pending

Parameter Estimation of LAMOST Medium-resolution Stellar Spectra

Hui Li, Shengchun Xiong, Xiangru Li, Xiaoyu Zhang, Yulong Zheng

arxiv:2312.15989 v1 · 2023-12-26 · astro-ph.SR · astro-ph.GA · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NYQHSDH33HSK5WDKRKEAHM5H4P}

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	2026-07-05T07:28:04.462341Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e20790cfbd9e4aed86a8a8803b3a7e3d86f4fc11fb8f4a8e4a506129f79dd0a

Aliases

arxiv: 2312.15989 · arxiv_version: 2312.15989v1 · doi: 10.48550/arxiv.2312.15989 · pith_short_12: NYQHSDH33HSK · pith_short_16: NYQHSDH33HSK5WDK · pith_short_8: NYQHSDH3

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/NYQHSDH33HSK5WDKRKEAHM5H4P \
  | 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: 6e20790cfbd9e4aed86a8a8803b3a7e3d86f4fc11fb8f4a8e4a506129f79dd0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fa63fb3cf1f7169db00b2e8f1383439102cd43873e68609e681bebe7ea7b2c9",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2023-12-26T10:44:45Z",
    "title_canon_sha256": "6d31e128cb914ca2d5902e276d0af359b27d9f0a6ee1ffcc7506143049d6bb73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2312.15989",
    "kind": "arxiv",
    "version": 1
  }
}