Pith Number

pith:7LTC3CID

pith:2012:7LTC3CIDEAG2FRC4WCJIEJBDM4

not attested not anchored not stored refs pending

An Authentication Technique in Frequency Domain through Wavelet Transform (ATFDWT)

J. K. Mandal, Madhumita Sengupta, N. Ghoshal

arxiv:1212.3719 v1 · 2012-12-15 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7LTC3CIDEAG2FRC4WCJIEJBDM4}

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	2026-05-18T03:38:22.603925Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fae62d8903200da2c45cb0928224236739fbf1cd2df9f1261e5e4bdf1634f01f

Aliases

arxiv: 1212.3719 · arxiv_version: 1212.3719v1 · doi: 10.48550/arxiv.1212.3719 · pith_short_12: 7LTC3CIDEAG2 · pith_short_16: 7LTC3CIDEAG2FRC4 · pith_short_8: 7LTC3CID

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/7LTC3CIDEAG2FRC4WCJIEJBDM4 \
  | 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: fae62d8903200da2c45cb0928224236739fbf1cd2df9f1261e5e4bdf1634f01f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f21be65ffb73143fc24f01accae9a4723ab62090a0c1039e8c57a5b582a84f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2012-12-15T19:37:28Z",
    "title_canon_sha256": "080ce484f9b22331162aef071e43c10d3662f1f68ad7d18f5dc16aa389b91fda"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.3719",
    "kind": "arxiv",
    "version": 1
  }
}