Pith Number

pith:HH3Z22C5

pith:2017:HH3Z22C55B54EGAO2NEUSOZ5VZ

not attested not anchored not stored refs pending

Neutral evolution and turnover over centuries of English word popularity

Alberto Acerbi, Damian Ruck, Daniel J. Hruschka, Philip Garnett, R. Alexander Bentley

arxiv:1703.10698 v1 · 2017-03-30 · cs.CL · 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{HH3Z22C55B54EGAO2NEUSOZ5VZ}

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	2026-05-18T00:47:32.900293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39f79d685de87bc2180ed349493b3dae7b4485ce52a787b99132507e0a3a6d45

Aliases

arxiv: 1703.10698 · arxiv_version: 1703.10698v1 · doi: 10.48550/arxiv.1703.10698 · pith_short_12: HH3Z22C55B54 · pith_short_16: HH3Z22C55B54EGAO · pith_short_8: HH3Z22C5

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/HH3Z22C55B54EGAO2NEUSOZ5VZ \
  | 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: 39f79d685de87bc2180ed349493b3dae7b4485ce52a787b99132507e0a3a6d45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d65ff5ed0820d5d4bd7ae948b49a2620ce427e5aaa128e688bd019979c2cb7c",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-03-30T21:57:37Z",
    "title_canon_sha256": "67e127444a6842286bcbedd6b7a1ee51e9a4c3c0285eab934288ed8a72343a86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.10698",
    "kind": "arxiv",
    "version": 1
  }
}