Pith Number

pith:L7YG37AZ

pith:2015:L7YG37AZAPQRINQRC2JU7OR7PF

not attested not anchored not stored refs pending

Manipulation and abuse on social media

Emilio Ferrara

arxiv:1503.03752 v2 · 2015-03-12 · cs.SI · cs.CY · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L7YG37AZAPQRINQRC2JU7OR7PF}

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	2026-05-18T00:49:35.099133Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ff06dfc1903e114361116934fba3f795f1a2adbc0d48c059c3777c92f805942

Aliases

arxiv: 1503.03752 · arxiv_version: 1503.03752v2 · doi: 10.48550/arxiv.1503.03752 · pith_short_12: L7YG37AZAPQR · pith_short_16: L7YG37AZAPQRINQR · pith_short_8: L7YG37AZ

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/L7YG37AZAPQRINQRC2JU7OR7PF \
  | 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: 5ff06dfc1903e114361116934fba3f795f1a2adbc0d48c059c3777c92f805942

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a376c7b3ee1477406a6c15b570e24605c65e105c168f1901834d2f9fceb551b",
    "cross_cats_sorted": [
      "cs.CY",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2015-03-12T14:50:52Z",
    "title_canon_sha256": "7f469300865fa98269d48c2a0dcadf59435d166b5a2ba5558cd70cf862bbd648"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.03752",
    "kind": "arxiv",
    "version": 2
  }
}