Pith Number

pith:ZXNEMGUS

pith:2019:ZXNEMGUSKT4ZWHULR5UK2QGLDN

not attested not anchored not stored refs pending

Exploring the spectral \textit{information content} in the LAMOST medium-resolution survey (MRS)

Bo Zhang, Chao Liu, Chun-Qian Li, Jian-rong Shi, Li-Cai Deng, Tai-Sheng Yan

arxiv:1910.13154 v1 · 2019-10-29 · astro-ph.SR · 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{ZXNEMGUSKT4ZWHULR5UK2QGLDN}

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	2026-07-05T01:00:35.347828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cdda461a9254f99b1e8b8f68ad40cb1b7894e430825a440b908e8f6d57949b3f

Aliases

arxiv: 1910.13154 · arxiv_version: 1910.13154v1 · doi: 10.48550/arxiv.1910.13154 · pith_short_12: ZXNEMGUSKT4Z · pith_short_16: ZXNEMGUSKT4ZWHUL · pith_short_8: ZXNEMGUS

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/ZXNEMGUSKT4ZWHULR5UK2QGLDN \
  | 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: cdda461a9254f99b1e8b8f68ad40cb1b7894e430825a440b908e8f6d57949b3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6701198322c7c46bf727d074decc36060d614e5578cd9be57393200ac6c9af19",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-10-29T09:47:36Z",
    "title_canon_sha256": "d01bbcc66387031f2c71cd63f69d4355bfe7db3d9fd029a456afedb1e51079d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.13154",
    "kind": "arxiv",
    "version": 1
  }
}