Pith Number

pith:G7G4FKVQ

pith:2014:G7G4FKVQQI5FHIX6M2OBUHVCO6

not attested not anchored not stored refs pending

A Genetic Algorithm to Optimize a Tweet for Retweetability

Christoph Waldhauser, Ronald Hochreiter

arxiv:1401.4857 v1 · 2014-01-20 · cs.NE · cs.CY · cs.SI · 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{G7G4FKVQQI5FHIX6M2OBUHVCO6}

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	2026-05-18T03:01:44.277748Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37cdc2aab0823a53a2fe669c1a1ea277953f639ab563cc5fe782ba1c9f101ea7

Aliases

arxiv: 1401.4857 · arxiv_version: 1401.4857v1 · doi: 10.48550/arxiv.1401.4857 · pith_short_12: G7G4FKVQQI5F · pith_short_16: G7G4FKVQQI5FHIX6 · pith_short_8: G7G4FKVQ

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/G7G4FKVQQI5FHIX6M2OBUHVCO6 \
  | 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: 37cdc2aab0823a53a2fe669c1a1ea277953f639ab563cc5fe782ba1c9f101ea7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a60e5abc6ffb17569fd7fff82696e5e2d71329956571a0a1ce1f4cdbe6d070f",
    "cross_cats_sorted": [
      "cs.CY",
      "cs.SI",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2014-01-20T10:42:51Z",
    "title_canon_sha256": "e82fabd302ca144f433ef413caa9cb23e5993148ee270a65fa36a8d18f6e71e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.4857",
    "kind": "arxiv",
    "version": 1
  }
}