Pith Number

pith:U6WFVE5I

pith:2011:U6WFVE5ITKJZZAA7GS4IKIZ5GS

not attested not anchored not stored refs pending

Malagasy Dialects and the Peopling of Madagascar

D. Volchenkov, F. Petroni, M. Serva, S. Wichmann

arxiv:1102.2180 v2 · 2011-02-10 · 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{U6WFVE5ITKJZZAA7GS4IKIZ5GS}

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	2026-05-18T04:28:47.440037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7ac5a93a89a939c801f34b885233d34aafedd63e3de8d00d4f489f012571228

Aliases

arxiv: 1102.2180 · arxiv_version: 1102.2180v2 · doi: 10.48550/arxiv.1102.2180 · pith_short_12: U6WFVE5ITKJZ · pith_short_16: U6WFVE5ITKJZZAA7 · pith_short_8: U6WFVE5I

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/U6WFVE5ITKJZZAA7GS4IKIZ5GS \
  | 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: a7ac5a93a89a939c801f34b885233d34aafedd63e3de8d00d4f489f012571228

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0c31eb6f0457813b675baa6d1e39f459b0b0d8cd6cc5702207a7eae6fd9a0be",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2011-02-10T17:16:50Z",
    "title_canon_sha256": "67cb8a068d161094f4d26b2f77244b0fcd971aa8549371be84643bee27995e5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.2180",
    "kind": "arxiv",
    "version": 2
  }
}