Pith Number

pith:NSC4Q3WO

pith:2013:NSC4Q3WOM6NKMBO4MGGFERQGMY

not attested not anchored not stored refs pending

The Power of Smartphones

Ching-Hsien Hsu, Fangwei Ding, Feng Xia, Wei Zhang, Xiaojing Liu

arxiv:1312.6740 v1 · 2013-12-24 · cs.NI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NSC4Q3WOM6NKMBO4MGGFERQGMY}

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	2026-05-18T03:03:56.208237Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c85c86ece679aa605dc618c524606661c014cdb2155d6beced63805d95f2276

Aliases

arxiv: 1312.6740 · arxiv_version: 1312.6740v1 · doi: 10.48550/arxiv.1312.6740 · pith_short_12: NSC4Q3WOM6NK · pith_short_16: NSC4Q3WOM6NKMBO4 · pith_short_8: NSC4Q3WO

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/NSC4Q3WOM6NKMBO4MGGFERQGMY \
  | 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: 6c85c86ece679aa605dc618c524606661c014cdb2155d6beced63805d95f2276

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1146c940d21316b33cfe24f12ae5bf7a284c529b998d32aa0a1be73c48931a03",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2013-12-24T02:18:40Z",
    "title_canon_sha256": "b377e7774dab84f0187bc8d8fa2685fb4ff9128a38e54be98efae71478060baa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.6740",
    "kind": "arxiv",
    "version": 1
  }
}