Pith Number

pith:AGIXW3P7

pith:2017:AGIXW3P7KBIS6BG2ZY6H44K7JX

not attested not anchored not stored refs pending

Piecewise constant reconstruction of damaged color images

Irene Fonseca, Riccardo Cristoferi

arxiv:1712.10033 v2 · 2017-12-28 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AGIXW3P7KBIS6BG2ZY6H44K7JX}

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	2026-05-18T00:19:48.996300Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01917b6dff50512f04dace3c7e715f4de52f9482f428034c38c9f184c033d9f3

Aliases

arxiv: 1712.10033 · arxiv_version: 1712.10033v2 · doi: 10.48550/arxiv.1712.10033 · pith_short_12: AGIXW3P7KBIS · pith_short_16: AGIXW3P7KBIS6BG2 · pith_short_8: AGIXW3P7

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/AGIXW3P7KBIS6BG2ZY6H44K7JX \
  | 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: 01917b6dff50512f04dace3c7e715f4de52f9482f428034c38c9f184c033d9f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69371e418d7e2d977e4730731b6a323d1f2e65dc247a4408606fbc37ada8ef69",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-12-28T19:28:20Z",
    "title_canon_sha256": "3c76e001a374a0cd6444bf655167fc28927fbf4b2a4332ae2b7bda47d3c7d689"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.10033",
    "kind": "arxiv",
    "version": 2
  }
}