Pith Number

pith:RITH4XSW

pith:2018:RITH4XSW2ZFQMZSGR4HIDEO4FH

not attested not anchored not stored refs pending

Shape Partitioning via L$_p$ Compressed Modes

Damiana Lazzaro, Martin Huska, Serena Morigi

arxiv:1804.07620 v1 · 2018-04-20 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RITH4XSW2ZFQMZSGR4HIDEO4FH}

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	2026-05-18T00:17:58.292545Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a267e5e56d64b0666468f0e8191dc29d14fe4dcc2f6e9958457ced6b6f226c5

Aliases

arxiv: 1804.07620 · arxiv_version: 1804.07620v1 · doi: 10.48550/arxiv.1804.07620 · pith_short_12: RITH4XSW2ZFQ · pith_short_16: RITH4XSW2ZFQMZSG · pith_short_8: RITH4XSW

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/RITH4XSW2ZFQMZSGR4HIDEO4FH \
  | 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: 8a267e5e56d64b0666468f0e8191dc29d14fe4dcc2f6e9958457ced6b6f226c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e65b8f73299b2a39a8cee114427905d711f410f5fcc8bcecf6b0e45c2238882",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-04-20T13:56:37Z",
    "title_canon_sha256": "60815279ebdcaa29d8ed787f2b32f9cd28e7e899136d0b184913c4c7c2e595b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.07620",
    "kind": "arxiv",
    "version": 1
  }
}