Pith Number

pith:FC4LWAAP

pith:2025:FC4LWAAPEMORL4F5CPLDEDZAFG

not attested not anchored not stored refs pending

Compress-Align-Detect: onboard change detection from unregistered images

Aniello Fiengo, Diego Valsesia, Enrico Magli, Gabriele Inzerillo

arxiv:2507.15578 v1 · 2025-07-21 · cs.CV · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FC4LWAAPEMORL4F5CPLDEDZAFG}

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	2026-07-05T11:40:39.429619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28b8bb000f231d15f0bd13d6320f202994c728cf44636a2d7c97d1c7714e253b

Aliases

arxiv: 2507.15578 · arxiv_version: 2507.15578v1 · doi: 10.48550/arxiv.2507.15578 · pith_short_12: FC4LWAAPEMOR · pith_short_16: FC4LWAAPEMORL4F5 · pith_short_8: FC4LWAAP

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/FC4LWAAPEMORL4F5CPLDEDZAFG \
  | 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: 28b8bb000f231d15f0bd13d6320f202994c728cf44636a2d7c97d1c7714e253b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4166095ced8cdffef2d5c1ec982da398fb0974fb94b25cef61555d251fe6996c",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-07-21T12:58:32Z",
    "title_canon_sha256": "b50f5d2838e93a292637b1baba0642cb887b41f27da45211f8bb88e29a5c5b8e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.15578",
    "kind": "arxiv",
    "version": 1
  }
}