Pith Number

pith:XQDMATNE

pith:2018:XQDMATNE2OCFVQSACXNIA4RS6S

not attested not anchored not stored refs pending

Penetrating a Social Network: The Follow-back Problem

Fanyu Que, Krishnan Rajagopalan, Tauhid Zaman

arxiv:1804.02608 v1 · 2018-04-08 · cs.SI · physics.soc-ph · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XQDMATNE2OCFVQSACXNIA4RS6S}

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	2026-05-18T00:18:58.964610Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc06c04da4d3845ac24015da807232f48a2a88eee8fbe960b6719cfa6d11f8b9

Aliases

arxiv: 1804.02608 · arxiv_version: 1804.02608v1 · doi: 10.48550/arxiv.1804.02608 · pith_short_12: XQDMATNE2OCF · pith_short_16: XQDMATNE2OCFVQSA · pith_short_8: XQDMATNE

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/XQDMATNE2OCFVQSACXNIA4RS6S \
  | 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: bc06c04da4d3845ac24015da807232f48a2a88eee8fbe960b6719cfa6d11f8b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c865d2c25e696f785989827814d525c6204569985a02a87bd961a34f9c54476",
    "cross_cats_sorted": [
      "physics.soc-ph",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2018-04-08T00:58:51Z",
    "title_canon_sha256": "563c2850c63757efbdbc285262140a6b0ee4143e462bdfe8186a9671300d8dc3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.02608",
    "kind": "arxiv",
    "version": 1
  }
}