Pith Number

pith:P75CRCDA

pith:2015:P75CRCDAS6OOCY7XEPCO2EVH53

not attested not anchored not stored refs pending

An Information-theoretic Model for Knowledge Sharing in Opportunistic Social Networks

Ahmed Helmy, Ahmed Zahran, Mai ElSherief, Tamer ElBatt

arxiv:1505.03231 v1 · 2015-05-13 · 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{P75CRCDAS6OOCY7XEPCO2EVH53}

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	2026-05-18T02:12:09.956715Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ffa288860979ce163f723c4ed12a7eef11f87512d29cdd6aad6a385dc000c08

Aliases

arxiv: 1505.03231 · arxiv_version: 1505.03231v1 · doi: 10.48550/arxiv.1505.03231 · pith_short_12: P75CRCDAS6OO · pith_short_16: P75CRCDAS6OOCY7X · pith_short_8: P75CRCDA

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/P75CRCDAS6OOCY7XEPCO2EVH53 \
  | 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: 7ffa288860979ce163f723c4ed12a7eef11f87512d29cdd6aad6a385dc000c08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b75e341b257d9049e0e481e497a8267649c20f5cefed92736eda11a2a8c146eb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2015-05-13T03:52:44Z",
    "title_canon_sha256": "4c8da1f14c04ab9961f50f8bbc71593727bad8266307a069cf15b360a812f924"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.03231",
    "kind": "arxiv",
    "version": 1
  }
}