Pith Number

pith:BR7ZFDMW

pith:2015:BR7ZFDMWMRHESDR46BP7GVMGKV

not attested not anchored not stored refs pending

Sacrificing information for the greater good: how to select photometric bands for optimal accuracy

Andrew Zirm, Christian Igel, Fabian Gieseke, Kim Steenstrup Pedersen, Kristoffer Stensbo-Smidt

arxiv:1511.05424 v2 · 2015-11-17 · astro-ph.IM · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BR7ZFDMWMRHESDR46BP7GVMGKV}

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	2026-05-18T00:48:20.426938Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c7f928d96644e490e3cf05ff3558655590b5188c3ae75f2fea810880980485b

Aliases

arxiv: 1511.05424 · arxiv_version: 1511.05424v2 · doi: 10.48550/arxiv.1511.05424 · pith_short_12: BR7ZFDMWMRHE · pith_short_16: BR7ZFDMWMRHESDR4 · pith_short_8: BR7ZFDMW

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/BR7ZFDMWMRHESDR46BP7GVMGKV \
  | 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: 0c7f928d96644e490e3cf05ff3558655590b5188c3ae75f2fea810880980485b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4be22665e9224e5a047f2157834f855a29793f76d693451990c81f9cec8e7d6e",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-11-17T14:52:40Z",
    "title_canon_sha256": "45822fe91b7c54871c687f931570e0e587f09ae8e3d294b7b1349ab1735b46e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.05424",
    "kind": "arxiv",
    "version": 2
  }
}