Pith Number

pith:ILR5IR6R

pith:2013:ILR5IR6RJMR6QMLGLOAS6ZHRLV

not attested not anchored not stored refs pending

The Occulting Galaxy Pair UGC 3995; Dust properties from HST and CALIFA data

B.W. Holwerda (ESA-ESTEC), W.C. Keel (University of Alabama)

arxiv:1305.5358 v1 · 2013-05-23 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ILR5IR6RJMR6QMLGLOAS6ZHRLV}

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	2026-05-18T01:49:47.379454Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42e3d447d14b23e831665b812f64f15d74c27d7525694dc419773ad420b87c4b

Aliases

arxiv: 1305.5358 · arxiv_version: 1305.5358v1 · doi: 10.48550/arxiv.1305.5358 · pith_short_12: ILR5IR6RJMR6 · pith_short_16: ILR5IR6RJMR6QMLG · pith_short_8: ILR5IR6R

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/ILR5IR6RJMR6QMLGLOAS6ZHRLV \
  | 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: 42e3d447d14b23e831665b812f64f15d74c27d7525694dc419773ad420b87c4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ce268fd8c56da74f8b930e20a28fe7ae601c7adf449561ba1ee5298110a5faf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-05-23T09:34:50Z",
    "title_canon_sha256": "de1b958b32d08aec55910999727e36cb37e4044bbba2d66af8fa5f166147f21b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.5358",
    "kind": "arxiv",
    "version": 1
  }
}