Pith Number

pith:C3AD54CW

pith:2015:C3AD54CWAW7VWL65UYTAAFL5WE

not attested not anchored not stored refs pending

Voice based self help System: User Experience Vs Accuracy

Sunil Kumar Kopparapu

arxiv:1504.01496 v1 · 2015-04-07 · 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{C3AD54CWAW7VWL65UYTAAFL5WE}

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	2026-05-18T02:19:26.956267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16c03ef05605bf5b2fdda62600157db1142801c90f7830404747f96aa46a54fd

Aliases

arxiv: 1504.01496 · arxiv_version: 1504.01496v1 · doi: 10.48550/arxiv.1504.01496 · pith_short_12: C3AD54CWAW7V · pith_short_16: C3AD54CWAW7VWL65 · pith_short_8: C3AD54CW

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/C3AD54CWAW7VWL65UYTAAFL5WE \
  | 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: 16c03ef05605bf5b2fdda62600157db1142801c90f7830404747f96aa46a54fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2593a24cc7040ea981acf23185e73cf1b154f48db9c137e12f0c8e32e1758074",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2015-04-07T07:02:38Z",
    "title_canon_sha256": "29723518696c52a1bb8ba5ab6b60bcd91f88cde8f297c009b2226a85ae6db518"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.01496",
    "kind": "arxiv",
    "version": 1
  }
}