Pith Number

pith:AE4MSIUQ

pith:2024:AE4MSIUQNPNY6Z7B6FM2AV2N3W

not attested not anchored not stored refs pending

An adaptive parameter estimator for poor-quality spectral data of white dwarfs

Duo Xie, Jiangchuan Zhang, Meng Liu, Xiaoming Kong, Yude Bu, Zhenping Yi

arxiv:2406.04248 v1 · 2024-06-06 · astro-ph.SR · 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{AE4MSIUQNPNY6Z7B6FM2AV2N3W}

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	2026-07-05T08:28:28.479740Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0138c922906bdb8f67e1f159a0574dddb74a34ab82c4054613058f59bfbcb08d

Aliases

arxiv: 2406.04248 · arxiv_version: 2406.04248v1 · doi: 10.48550/arxiv.2406.04248 · pith_short_12: AE4MSIUQNPNY · pith_short_16: AE4MSIUQNPNY6Z7B · pith_short_8: AE4MSIUQ

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/AE4MSIUQNPNY6Z7B6FM2AV2N3W \
  | 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: 0138c922906bdb8f67e1f159a0574dddb74a34ab82c4054613058f59bfbcb08d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33a3a8853049942107af31bc18bacf7b3126496861d30e647023df10984041de",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2024-06-06T16:50:33Z",
    "title_canon_sha256": "e857c171f248a181b5bdb6d1d12555f604e8b209fdbc76b8da4d702e40ef73aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2406.04248",
    "kind": "arxiv",
    "version": 1
  }
}