Pith Number

pith:54SBMLMD

pith:2010:54SBMLMD7BUV3U4MMCN7SAANXY

not attested not anchored not stored refs pending

iZone: A Location-Based Mobile Social Networking System

Feng Xia, Rui Cheng, Zhuo Yang

arxiv:1011.3099 v1 · 2010-11-13 · cs.HC · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{54SBMLMD7BUV3U4MMCN7SAANXY}

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	2026-05-18T00:58:43.808194Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef24162d83f8695dd38c609bf9000dbe06a33baccd061a406b7dd4fd30f593ca

Aliases

arxiv: 1011.3099 · arxiv_version: 1011.3099v1 · doi: 10.48550/arxiv.1011.3099 · pith_short_12: 54SBMLMD7BUV · pith_short_16: 54SBMLMD7BUV3U4M · pith_short_8: 54SBMLMD

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/54SBMLMD7BUV3U4MMCN7SAANXY \
  | 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: ef24162d83f8695dd38c609bf9000dbe06a33baccd061a406b7dd4fd30f593ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cae61128249ded727fbbe37bb871dad8873cd31329037434c1be3e12f2146e24",
    "cross_cats_sorted": [
      "cs.DC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2010-11-13T04:20:11Z",
    "title_canon_sha256": "cb5af82253d50101dd3c75019f5b01e5ad2e4ececfef1e6bd904af7d0ff6eadb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.3099",
    "kind": "arxiv",
    "version": 1
  }
}