Pith Number

pith:FWIV7ZQU

pith:2019:FWIV7ZQUDCYTXMZ7N3CXHWPNKX

not attested not anchored not stored refs pending

Software Tools for Big Data Resources in Family Names Dictionaries

Adam Rambousek, Ales Horak, Harry Parkin

arxiv:1904.09234 v1 · 2019-04-02 · cs.DL · cs.CL · 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{FWIV7ZQUDCYTXMZ7N3CXHWPNKX}

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	2026-05-17T23:48:07.923680Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d915fe61418b13bb33f6ec573d9ed55defd63fb6e4150c2d264f01497a44684

Aliases

arxiv: 1904.09234 · arxiv_version: 1904.09234v1 · doi: 10.48550/arxiv.1904.09234 · pith_short_12: FWIV7ZQUDCYT · pith_short_16: FWIV7ZQUDCYTXMZ7 · pith_short_8: FWIV7ZQU

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/FWIV7ZQUDCYTXMZ7N3CXHWPNKX \
  | 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: 2d915fe61418b13bb33f6ec573d9ed55defd63fb6e4150c2d264f01497a44684

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b5da163badefc8c71f57c3b2bf73eb34d15b699300c057cfb17c9350a954d05",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2019-04-02T08:25:40Z",
    "title_canon_sha256": "cc5e3676da199b9d239be82fde2e6cd9c4872b9e8e9a5dcd4553f16afb9e2223"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.09234",
    "kind": "arxiv",
    "version": 1
  }
}