Pith Number

pith:2S5F75S3

pith:2016:2S5F75S3XNDNL4FSBEO6KYXDTO

not attested not anchored not stored refs pending

Modeling Language Change in Historical Corpora: The Case of Portuguese

Marcos Zampieri, Mark Dras, Shervin Malmasi

arxiv:1610.00030 v1 · 2016-09-30 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2S5F75S3XNDNL4FSBEO6KYXDTO}

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	2026-05-18T01:03:32.083178Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4ba5ff65bbb46d5f0b2091de562e39bb7b866cd5773b3d7209890f1dbc3d6e9

Aliases

arxiv: 1610.00030 · arxiv_version: 1610.00030v1 · doi: 10.48550/arxiv.1610.00030 · pith_short_12: 2S5F75S3XNDN · pith_short_16: 2S5F75S3XNDNL4FS · pith_short_8: 2S5F75S3

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/2S5F75S3XNDNL4FSBEO6KYXDTO \
  | 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: d4ba5ff65bbb46d5f0b2091de562e39bb7b866cd5773b3d7209890f1dbc3d6e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1d4e1ab56335c04c7436c5d13df144be836ece82e83d6c79d09e5481bc107b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2016-09-30T20:57:01Z",
    "title_canon_sha256": "78a930774826c7ef852c69676790c5a2bf23389c210bea2f62ccd855ee5d6d28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.00030",
    "kind": "arxiv",
    "version": 1
  }
}