Pith Number

pith:NDWUEL2J

pith:2019:NDWUEL2JZZD4CXBXQZCE3VGOR2

not attested not anchored not stored refs pending

Large-Scale Parallel Matching of Social Network Profiles

Alexander Panchenko, Dmitry Babaev, Sergei Obiedkov

arxiv:1911.06861 v1 · 2019-11-15 · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NDWUEL2JZZD4CXBXQZCE3VGOR2}

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	2026-07-05T00:19:40.042641Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68ed422f49ce47c15c3786444dd4ce8e9b5b90483d578250b80394a50a2d723d

Aliases

arxiv: 1911.06861 · arxiv_version: 1911.06861v1 · doi: 10.48550/arxiv.1911.06861 · pith_short_12: NDWUEL2JZZD4 · pith_short_16: NDWUEL2JZZD4CXBX · pith_short_8: NDWUEL2J

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/NDWUEL2JZZD4CXBXQZCE3VGOR2 \
  | 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: 68ed422f49ce47c15c3786444dd4ce8e9b5b90483d578250b80394a50a2d723d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a9264e56cfe1654903134125b750500151c1e8ff8810ca6951fbe73c3d01e30",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2019-11-15T20:21:44Z",
    "title_canon_sha256": "68220a6db289d2c066218207b95ee834bdfdac01388f9acd9758599e1fa56aa4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.06861",
    "kind": "arxiv",
    "version": 1
  }
}