Pith Number

pith:YBVTQKIC

pith:2015:YBVTQKIC4K5KPLSIR3WCYNN7MC

not attested not anchored not stored refs pending

Linearly Supporting Feature Extraction For Automated Estimation Of Stellar Atmospheric Parameters

Ali Luo, Georges Comte, Xiangru Li, Yongheng Zhao, Yongjun Wang, Yu Lu

arxiv:1504.02164 v2 · 2015-04-09 · astro-ph.SR · astro-ph.IM · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YBVTQKIC4K5KPLSIR3WCYNN7MC}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:51:00.725139Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c06b382902e2baa7ae488eec2c35bf60bfbdfecf5c20c5a0d6710ba833930a71

Aliases

arxiv: 1504.02164 · arxiv_version: 1504.02164v2 · doi: 10.48550/arxiv.1504.02164 · pith_short_12: YBVTQKIC4K5K · pith_short_16: YBVTQKIC4K5KPLSI · pith_short_8: YBVTQKIC

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/YBVTQKIC4K5KPLSIR3WCYNN7MC \
  | 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: c06b382902e2baa7ae488eec2c35bf60bfbdfecf5c20c5a0d6710ba833930a71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90392163b400d1d80643c5b2815a3c1b46d8dc914593f0262d228c4eab24b118",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-04-09T01:09:13Z",
    "title_canon_sha256": "f2fe0d56ffba120fb3f5ffa780ffd68b63ada6b0dbe5b876c49f95e39f84457b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.02164",
    "kind": "arxiv",
    "version": 2
  }
}