Pith Number

pith:XTQIC3TH

pith:2013:XTQIC3THQZ2JBHGGZCQ6MWBURQ

not attested not anchored not stored refs pending

A Novel Method for Image Integrity Authentication Based on Fixed Point Theory

Beijing Chen, Quansheng Liu, Xingming Sun, Xu Li

arxiv:1308.5326 v1 · 2013-08-24 · cs.CR · 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{XTQIC3THQZ2JBHGGZCQ6MWBURQ}

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	2026-05-18T03:15:05.179397Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bce0816e678674909cc6c8a1e658348c0db4ca0142382ce8705b963c295631e0

Aliases

arxiv: 1308.5326 · arxiv_version: 1308.5326v1 · doi: 10.48550/arxiv.1308.5326 · pith_short_12: XTQIC3THQZ2J · pith_short_16: XTQIC3THQZ2JBHGG · pith_short_8: XTQIC3TH

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/XTQIC3THQZ2JBHGGZCQ6MWBURQ \
  | 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: bce0816e678674909cc6c8a1e658348c0db4ca0142382ce8705b963c295631e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d30a2ad1d5806c5532710fb71aa6a2f61c8cc9ad37ff2a41cf65a7f647ad8a11",
    "cross_cats_sorted": [
      "cs.MM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2013-08-24T13:38:24Z",
    "title_canon_sha256": "0077f7b2a5b41c526ed1315e660288d095c5071396bb4b5464811f90ceb03cb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5326",
    "kind": "arxiv",
    "version": 1
  }
}