Pith Number

pith:EFEEZAR7

pith:2018:EFEEZAR7SARYQMMQI6Q2PHUBWB

not attested not anchored not stored refs pending

Longest Property-Preserved Common Factor

Costas S. Iliopoulos, Giovanna Rosone, Giulia Bernardini, Lorraine A.K Ayad, Nadia Pisanti, Roberto Grossi, Solon P. Pissis

arxiv:1810.02099 v1 · 2018-10-04 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EFEEZAR7SARYQMMQI6Q2PHUBWB}

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	2026-05-18T00:04:06.286850Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21484c823f902388319047a1a79e81b0710da1c319b3a79f5c138e8de63645e2

Aliases

arxiv: 1810.02099 · arxiv_version: 1810.02099v1 · doi: 10.48550/arxiv.1810.02099 · pith_short_12: EFEEZAR7SARY · pith_short_16: EFEEZAR7SARYQMMQ · pith_short_8: EFEEZAR7

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/EFEEZAR7SARYQMMQI6Q2PHUBWB \
  | 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: 21484c823f902388319047a1a79e81b0710da1c319b3a79f5c138e8de63645e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de125807330aae0b0c735683afef434879177b29137e42423f30147d1cd22c9c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-10-04T08:39:06Z",
    "title_canon_sha256": "d00c1e4962ca968236a1e83bf2df3c0ab2e81d21ca2c4b7f18c98e72be3411af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.02099",
    "kind": "arxiv",
    "version": 1
  }
}