Pith Number

pith:KEABYDEB

pith:2025:KEABYDEB2MT3DHKB6PCUZFKJYG

not attested not anchored not stored refs pending

Prize-Collecting Forest with Submodular Penalties: Improved Approximation

Ali Ahmadi, Iman Gholami, Mohammad Mahdavi, MohammadTaghi Hajiaghayi, Peyman Jabbarzade

arxiv:2504.15445 v1 · 2025-04-21 · 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{KEABYDEB2MT3DHKB6PCUZFKJYG}

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	2026-07-05T10:52:24.713693Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51001c0c81d327b19d41f3c54c9549c180bb38fd2c0e8d79d9497ae6ea5018e6

Aliases

arxiv: 2504.15445 · arxiv_version: 2504.15445v1 · doi: 10.48550/arxiv.2504.15445 · pith_short_12: KEABYDEB2MT3 · pith_short_16: KEABYDEB2MT3DHKB · pith_short_8: KEABYDEB

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/KEABYDEB2MT3DHKB6PCUZFKJYG \
  | 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: 51001c0c81d327b19d41f3c54c9549c180bb38fd2c0e8d79d9497ae6ea5018e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2036be0a4d3853aa2b4720207394ac232315392bee752aa0917e5c4976ba1db",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2025-04-21T21:19:31Z",
    "title_canon_sha256": "4294eea39964ae1af4839edaef1c0b55aaa62bdc11c7eae3eda182ab73461a88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.15445",
    "kind": "arxiv",
    "version": 1
  }
}