Pith Number

pith:4J2SJP2N

pith:2014:4J2SJP2NEPJJA7C4VUTBDGGVH2

not attested not anchored not stored refs pending

Extracting information from S-curves of language change

Eduardo G. Altmann, Fakhteh Ghanbarnejad, Jose M. Miotto, Martin Gerlach

arxiv:1406.4498 v2 · 2014-06-17 · physics.soc-ph · cs.CL · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4J2SJP2NEPJJA7C4VUTBDGGVH2}

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	2026-05-18T02:39:00.817637Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e27524bf4d23d2907c5cad261198d53e9e416cef44428c2461cd2d70d0478d8c

Aliases

arxiv: 1406.4498 · arxiv_version: 1406.4498v2 · doi: 10.48550/arxiv.1406.4498 · pith_short_12: 4J2SJP2NEPJJ · pith_short_16: 4J2SJP2NEPJJA7C4 · pith_short_8: 4J2SJP2N

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/4J2SJP2NEPJJA7C4VUTBDGGVH2 \
  | 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: e27524bf4d23d2907c5cad261198d53e9e416cef44428c2461cd2d70d0478d8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63bdfaf256d1cc7604f153992991a612a10a73a5792b9a67c1cc874333fa348a",
    "cross_cats_sorted": [
      "cs.CL",
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2014-06-17T19:49:03Z",
    "title_canon_sha256": "d887bb78373a2ba236206dd070b830b582b045a6e3a71f96f16f9625a82c3bc8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.4498",
    "kind": "arxiv",
    "version": 2
  }
}