Pith Number

pith:PH4BXSZD

pith:2025:PH4BXSZD6CZY6Z52CIGNOBU27E

not attested not anchored not stored refs pending

Using Wavelet Domain Fingerprints to Improve Source Camera Identification

Emiko Dupont, Freddie Lichtenstein, Matt Burns, Matthew Nunes, Shaunagh Downing, Xinle Tian

arxiv:2507.01712 v1 · 2025-07-02 · cs.CV · eess.IV · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PH4BXSZD6CZY6Z52CIGNOBU27E}

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	2026-07-05T11:30:53.843720Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79f81bcb23f0b38f67ba120cd7069af93720c2089747082e67c0d3ee13f20817

Aliases

arxiv: 2507.01712 · arxiv_version: 2507.01712v1 · doi: 10.48550/arxiv.2507.01712 · pith_short_12: PH4BXSZD6CZY · pith_short_16: PH4BXSZD6CZY6Z52 · pith_short_8: PH4BXSZD

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/PH4BXSZD6CZY6Z52CIGNOBU27E \
  | 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: 79f81bcb23f0b38f67ba120cd7069af93720c2089747082e67c0d3ee13f20817

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b694d56ca80ed37b8fdecb30e3a5769c0fdc2b12d33b64d3bc24b3b74ed52ce",
    "cross_cats_sorted": [
      "eess.IV",
      "stat.AP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-07-02T13:43:24Z",
    "title_canon_sha256": "f0ed1dbcb72108398bd4caee459cd3996dfdfdf6abfcd6455d941a0276fe420d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.01712",
    "kind": "arxiv",
    "version": 1
  }
}