Pith Number

pith:2PYSQYIN

pith:2014:2PYSQYINERP6CQEBD2L76FM4F3

not attested not anchored not stored refs pending

Robust Lossless Semi Fragile Information Protection in Images

Jay Prakash Gupta, Nishant Singh, Pushkar Dixit

arxiv:1407.4865 v4 · 2014-07-18 · cs.MM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2PYSQYINERP6CQEBD2L76FM4F3}

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	2026-05-18T02:45:13.928919Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3f128610d245fe140811e97ff159c2edba8b3e47927c34d2726078ec5e02150

Aliases

arxiv: 1407.4865 · arxiv_version: 1407.4865v4 · doi: 10.48550/arxiv.1407.4865 · pith_short_12: 2PYSQYINERP6 · pith_short_16: 2PYSQYINERP6CQEB · pith_short_8: 2PYSQYIN

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/2PYSQYINERP6CQEBD2L76FM4F3 \
  | 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: d3f128610d245fe140811e97ff159c2edba8b3e47927c34d2726078ec5e02150

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df1f1d0eaf075dbc9578d8b68a8aed2f8f73aa70edd3d58ffc7f9afb3281298b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MM",
    "submitted_at": "2014-07-18T01:37:21Z",
    "title_canon_sha256": "13c9dc911c83a1cc7199b69e161e7a0063ccadb4e0305e78c9af6ef8bd744816"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.4865",
    "kind": "arxiv",
    "version": 4
  }
}