Pith Number

pith:I7L3HUMO

pith:2019:I7L3HUMO7P3C2RC3VNASNZMX2F

not attested not anchored not stored refs pending

Discriminating Original Region from Duplicated One in Copy-Move Forgery

Ahmad Mahmoodi-Aznaveh, Saba Salehi

arxiv:1903.07044 v1 · 2019-03-17 · 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{I7L3HUMO7P3C2RC3VNASNZMX2F}

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	2026-05-17T23:51:04.433139Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47d7b3d18efbf62d445bab4126e597d15363e65fbeea488f835fc4aa4f3586ba

Aliases

arxiv: 1903.07044 · arxiv_version: 1903.07044v1 · doi: 10.48550/arxiv.1903.07044 · pith_short_12: I7L3HUMO7P3C · pith_short_16: I7L3HUMO7P3C2RC3 · pith_short_8: I7L3HUMO

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/I7L3HUMO7P3C2RC3VNASNZMX2F \
  | 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: 47d7b3d18efbf62d445bab4126e597d15363e65fbeea488f835fc4aa4f3586ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ad92e1cb838a621d833c574e0c295211a820e0faf29158a4c9c327a8c1a0208",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-03-17T08:52:55Z",
    "title_canon_sha256": "c92e8e45bd6695aea3075611585c9cef899ce8175021430da50965dff10f252a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.07044",
    "kind": "arxiv",
    "version": 1
  }
}