Pith Number

pith:FPJ7TLPR

pith:2016:FPJ7TLPRK2XALBY4GIDO4Z4NC7

not attested not anchored not stored refs pending

Cross-diffusion systems for image processing: II. The nonlinear case

A. Ara\'ujo, A. Dur\'an, E. Cuesta, S. Barbeiro

arxiv:1605.03721 v2 · 2016-05-12 · math.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{FPJ7TLPRK2XALBY4GIDO4Z4NC7}

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	2026-05-18T00:50:29.578430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bd3f9adf156ae05871c3206ee678d17eac45a2310a909cee94db3afa2a8e2fc

Aliases

arxiv: 1605.03721 · arxiv_version: 1605.03721v2 · doi: 10.48550/arxiv.1605.03721 · pith_short_12: FPJ7TLPRK2XA · pith_short_16: FPJ7TLPRK2XALBY4 · pith_short_8: FPJ7TLPR

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/FPJ7TLPRK2XALBY4GIDO4Z4NC7 \
  | 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: 2bd3f9adf156ae05871c3206ee678d17eac45a2310a909cee94db3afa2a8e2fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8845671cc9e5c5ee4d0403fc1df4d3934e2344b755ba40859b63b814b6fbc0d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2016-05-12T08:25:27Z",
    "title_canon_sha256": "05ef8b76994cc06d63d229e4b98a6d0ea9fafcb4bf2c90fac124b233022e21fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.03721",
    "kind": "arxiv",
    "version": 2
  }
}