Pith Number

pith:XGSCB3IX

pith:2015:XGSCB3IXPE4IMBDKXWCSYFMZH4

not attested not anchored not stored refs pending

Extremal decomposition problems in the Euclidean space

Elena Prilepkina, Karina Gulyaeva, Sergei Kalmykov

arxiv:1511.01662 v1 · 2015-11-05 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XGSCB3IXPE4IMBDKXWCSYFMZH4}

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	2026-05-18T01:27:44.884938Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9a420ed17793886046abd852c15993f01b87c761e9e4a294dd2e18062c5a038

Aliases

arxiv: 1511.01662 · arxiv_version: 1511.01662v1 · doi: 10.48550/arxiv.1511.01662 · pith_short_12: XGSCB3IXPE4I · pith_short_16: XGSCB3IXPE4IMBDK · pith_short_8: XGSCB3IX

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/XGSCB3IXPE4IMBDKXWCSYFMZH4 \
  | 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: b9a420ed17793886046abd852c15993f01b87c761e9e4a294dd2e18062c5a038

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2a70c7e8ad282a02d2719252dba04dc0e53a3df5c2a4abb4f81b9753658e286",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2015-11-05T09:14:39Z",
    "title_canon_sha256": "3ccb31374d4fa2918814039b59533eb5002ecec563e340c143e3adcbc3c907d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.01662",
    "kind": "arxiv",
    "version": 1
  }
}