Pith Number

pith:NDUH6LUL

pith:2015:NDUH6LUL4VQ2EQYA73Z2HTGX6X

not attested not anchored not stored refs pending

SecureFind: Secure and Privacy-Preserving Object Finding via Mobile Crowdsourcing

Jingchao Sun, Rui Zhang, Xiaocong Jin, Yanchao Zhang

arxiv:1503.07932 v1 · 2015-03-27 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NDUH6LUL4VQ2EQYA73Z2HTGX6X}

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	2026-05-18T02:20:11.913192Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68e87f2e8be561a24300fef3a3ccd7f5e94ce3cfcbe35c4104f305cbce7424ff

Aliases

arxiv: 1503.07932 · arxiv_version: 1503.07932v1 · doi: 10.48550/arxiv.1503.07932 · pith_short_12: NDUH6LUL4VQ2 · pith_short_16: NDUH6LUL4VQ2EQYA · pith_short_8: NDUH6LUL

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/NDUH6LUL4VQ2EQYA73Z2HTGX6X \
  | 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: 68e87f2e8be561a24300fef3a3ccd7f5e94ce3cfcbe35c4104f305cbce7424ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25bf737477b6f4b18d0a08fa662a4cdf4ffadffd96f98923941c71c084ceeb25",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2015-03-27T00:23:23Z",
    "title_canon_sha256": "c0875eb4ca01ff15322db16a6e06b4608db52f7df3af980454a92480c5fd18f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.07932",
    "kind": "arxiv",
    "version": 1
  }
}