Pith Number

pith:OGKGEGM7

pith:2018:OGKGEGM773B6NHIS64SVX3O4KS

not attested not anchored not stored refs pending

On the Origins of Memes by Means of Fringe Web Communities

Emiliano De Cristofaro, Gianluca Stringhini, Guillermo Suarez-Tangil, Jeremy Blackburn, Michael Sirivianos, Savvas Zannettou, Tristan Caulfield

arxiv:1805.12512 v3 · 2018-05-31 · cs.SI · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OGKGEGM773B6NHIS64SVX3O4KS}

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	2026-05-18T00:05:09.203979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

719462199ffec3e69d12f7255beddc54be6e983d1e00fbfbceac9b2005d9337e

Aliases

arxiv: 1805.12512 · arxiv_version: 1805.12512v3 · doi: 10.48550/arxiv.1805.12512 · pith_short_12: OGKGEGM773B6 · pith_short_16: OGKGEGM773B6NHIS · pith_short_8: OGKGEGM7

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/OGKGEGM773B6NHIS64SVX3O4KS \
  | 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: 719462199ffec3e69d12f7255beddc54be6e983d1e00fbfbceac9b2005d9337e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ede8687e92338d74d13dd173c0b0085b284510339650a61012f18e4df4db685",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2018-05-31T15:22:55Z",
    "title_canon_sha256": "68e907b5ff97510067f3d070300863494e1196634e2f54cda5f61d88d18f89d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.12512",
    "kind": "arxiv",
    "version": 3
  }
}