Pith Number

pith:7DSECQUR

pith:2018:7DSECQUR4S5NEGGGAYIJ2SWFOS

not attested not anchored not stored refs pending

PRIF: A Privacy-Preserving Interest-Based Forwarding Scheme for Social Internet of Vehicles

Chang Xu, Chuan Zhang, Kashif Sharif, Liehuang Zhu, Mohsen Guizani, Rixin Xu, Xiaojiang Du

arxiv:1804.02440 v1 · 2018-04-06 · 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{7DSECQUR4S5NEGGGAYIJ2SWFOS}

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	2026-05-18T00:18:59.479110Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8e4414291e4bad218c606109d4ac5749176596309c640c70f80e20892bfdb0e

Aliases

arxiv: 1804.02440 · arxiv_version: 1804.02440v1 · doi: 10.48550/arxiv.1804.02440 · pith_short_12: 7DSECQUR4S5N · pith_short_16: 7DSECQUR4S5NEGGG · pith_short_8: 7DSECQUR

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/7DSECQUR4S5NEGGGAYIJ2SWFOS \
  | 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: f8e4414291e4bad218c606109d4ac5749176596309c640c70f80e20892bfdb0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "962dcd04fd371a50cc080f65ee70cc65666df1082fa7dbd750a019be5739f008",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2018-04-06T19:59:18Z",
    "title_canon_sha256": "cffbbffe5324454202e9865acd715b8d1b6007ea9dcd6a791f53eb2770e72b04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.02440",
    "kind": "arxiv",
    "version": 1
  }
}