Pith Number

pith:5H646A6Z

pith:2017:5H646A6Z4GS2BR4JPDNAU7IPD3

not attested not anchored not stored refs pending

Analysis of publicly disclosed information in Facebook profiles

Angel Cuevas, Noel Crespi, Reza Farahbakhsh, Xiao Han

arxiv:1705.00515 v1 · 2017-05-01 · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5H646A6Z4GS2BR4JPDNAU7IPD3}

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	2026-05-18T00:45:17.038657Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9fdcf03d9e1a5a0c78978da0a7d0f1eebf1d94b1a7e8c8d27a43cf126fa9221

Aliases

arxiv: 1705.00515 · arxiv_version: 1705.00515v1 · doi: 10.48550/arxiv.1705.00515 · pith_short_12: 5H646A6Z4GS2 · pith_short_16: 5H646A6Z4GS2BR4J · pith_short_8: 5H646A6Z

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/5H646A6Z4GS2BR4JPDNAU7IPD3 \
  | 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: e9fdcf03d9e1a5a0c78978da0a7d0f1eebf1d94b1a7e8c8d27a43cf126fa9221

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b42c756a17b15758045be6e52dc07220f813f78978e76decaf490d99e981277d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2017-05-01T13:46:43Z",
    "title_canon_sha256": "fb34f962b6e8de65beb1d734d8a9c8c968a07d4c97ecaa8f5e3f288642cbda9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.00515",
    "kind": "arxiv",
    "version": 1
  }
}