Pith Number

pith:QKGNNKQ3

pith:2013:QKGNNKQ3JC2S6WXYAOSO6LAHYP

not attested not anchored not stored refs pending

Language change in a multiple group society

Cristina-Maria Pop, Erwin Frey

arxiv:1309.2677 v1 · 2013-09-10 · physics.soc-ph · 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{QKGNNKQ3JC2S6WXYAOSO6LAHYP}

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	2026-05-18T01:47:43.467124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

828cd6aa1b48b52f5af803a4ef2c07c3ec50ae6543c376e3263526d630ca380f

Aliases

arxiv: 1309.2677 · arxiv_version: 1309.2677v1 · doi: 10.48550/arxiv.1309.2677 · pith_short_12: QKGNNKQ3JC2S · pith_short_16: QKGNNKQ3JC2S6WXY · pith_short_8: QKGNNKQ3

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/QKGNNKQ3JC2S6WXYAOSO6LAHYP \
  | 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: 828cd6aa1b48b52f5af803a4ef2c07c3ec50ae6543c376e3263526d630ca380f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28f172248b5f448ee5c72a8447d1e3d93b408060efa0b116a4e33f5600b31566",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2013-09-10T21:34:02Z",
    "title_canon_sha256": "8d6db7abdda623d053f1c0cba7000aca539600e003d8d69e087e27c54359ad7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.2677",
    "kind": "arxiv",
    "version": 1
  }
}