Pith Number

pith:5XMBWYZT

pith:2025:5XMBWYZTSRPRSQ4ZXKUIZVJNUQ

not attested not anchored not stored refs pending

The Multi-wavelength Extinction Law and its Variation in the Coalsack Molecular Cloud Based on the Gaia, APASS, SMSS, 2MASS, GLIMPSE, and WISE Surveys

Biwei Jiang, He Zhao, Juan Deng, Shu Wang

arxiv:2502.08956 v1 · 2025-02-13 · 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{5XMBWYZTSRPRSQ4ZXKUIZVJNUQ}

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	2026-07-05T10:13:50.468717Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

edd81b6333945f194399baa88cd52da4171a6445d626718d2d6ae9fba7447983

Aliases

arxiv: 2502.08956 · arxiv_version: 2502.08956v1 · doi: 10.48550/arxiv.2502.08956 · pith_short_12: 5XMBWYZTSRPR · pith_short_16: 5XMBWYZTSRPRSQ4Z · pith_short_8: 5XMBWYZT

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/5XMBWYZTSRPRSQ4ZXKUIZVJNUQ \
  | 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: edd81b6333945f194399baa88cd52da4171a6445d626718d2d6ae9fba7447983

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46fc14a9639e55e7825c9678ab5b39de2c4c239d532be3f7a6d89754e6f50921",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-02-13T04:49:06Z",
    "title_canon_sha256": "ba66fb4f83bde43c09ce0f6a5afa70b5771074f34e4156e26e00025b9c0d0bdd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.08956",
    "kind": "arxiv",
    "version": 1
  }
}