Pith Number

pith:TTSWMRXU

pith:2014:TTSWMRXUR2WU2X4IGUHJOWIKPP

not attested not anchored not stored refs pending

Machine Assisted Authentication of Paper Currency: an Experiment on Indian Banknotes

Ankush Roy, Biswajit Halder, David S. Doermann, Utpal Garain

arxiv:1401.0689 v5 · 2014-01-02 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TTSWMRXUR2WU2X4IGUHJOWIKPP}

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	2026-05-18T01:55:53.551455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ce56646f48ead4d5f88350e97590a7bd2ffe48370b51bb7d3c9d3fcb2d84461

Aliases

arxiv: 1401.0689 · arxiv_version: 1401.0689v5 · doi: 10.48550/arxiv.1401.0689 · pith_short_12: TTSWMRXUR2WU · pith_short_16: TTSWMRXUR2WU2X4I · pith_short_8: TTSWMRXU

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/TTSWMRXUR2WU2X4IGUHJOWIKPP \
  | 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: 9ce56646f48ead4d5f88350e97590a7bd2ffe48370b51bb7d3c9d3fcb2d84461

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05820b902a81aad712b6c66e3afa0eb18d056a6f094ea58888f78b40b12e0edf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2014-01-02T18:12:05Z",
    "title_canon_sha256": "b10baec60f2c2981f51149330788e8d1d77a1539dd64be4ceb57dec47f715279"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.0689",
    "kind": "arxiv",
    "version": 5
  }
}