Pith Number

pith:4PFRZAZ2

pith:2025:4PFRZAZ2YTDMADOLFYPSN73L7P

not attested not anchored not stored refs pending

Identifying Origins of Place Names via Retrieval Augmented Generation

Alexis Horde-Vo, Estrid He, Matt Duckham, Rafe Benli

arxiv:2509.01030 v2 · 2025-08-31 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4PFRZAZ2YTDMADOLFYPSN73L7P}

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	2026-07-05T12:03:52.647790Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3cb1c833ac4c6c00dcb2e1f26ff6bfbf376f9ef813735ab55d29517e1a14b32

Aliases

arxiv: 2509.01030 · arxiv_version: 2509.01030v2 · doi: 10.48550/arxiv.2509.01030 · pith_short_12: 4PFRZAZ2YTDM · pith_short_16: 4PFRZAZ2YTDMADOL · pith_short_8: 4PFRZAZ2

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/4PFRZAZ2YTDMADOLFYPSN73L7P \
  | 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: e3cb1c833ac4c6c00dcb2e1f26ff6bfbf376f9ef813735ab55d29517e1a14b32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c963f57bfad7e4bf17bfe90249f1b1722f6f92c2e87cd7fd341e6fa0d997b5b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2025-08-31T23:40:53Z",
    "title_canon_sha256": "6bbfb6d309cee8b1d378cd3954a72e68bc8814a5c2a9835dfd18425814a67532"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.01030",
    "kind": "arxiv",
    "version": 2
  }
}