Pith Number

pith:KARLA2QG

pith:2011:KARLA2QG2LZTESFJR6VUN76WMB

not attested not anchored not stored refs pending

The extinction law for molecular clouds. Case study of B 335

G\"oran Olofsson, Sven Olofsson

arxiv:1112.0143 v1 · 2011-12-01 · 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{KARLA2QG2LZTESFJR6VUN76WMB}

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	2026-05-18T01:59:20.579715Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5022b06a06d2f33248a98fab46ffd660497b14ed2acf4d214c13222d707eeb48

Aliases

arxiv: 1112.0143 · arxiv_version: 1112.0143v1 · doi: 10.48550/arxiv.1112.0143 · pith_short_12: KARLA2QG2LZT · pith_short_16: KARLA2QG2LZTESFJ · pith_short_8: KARLA2QG

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/KARLA2QG2LZTESFJR6VUN76WMB \
  | 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: 5022b06a06d2f33248a98fab46ffd660497b14ed2acf4d214c13222d707eeb48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fcc61942909c2e77e1d4601ff1da358a17cd25c66bdd873a66a87d7b23aed219",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-12-01T11:36:24Z",
    "title_canon_sha256": "a5a282f53d7d1930cc8e7beda9178c1d0185aed8246c3f18fb59c314d0ce8236"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.0143",
    "kind": "arxiv",
    "version": 1
  }
}