Pith Number

pith:IDVTVVKI

pith:2016:IDVTVVKIOZFWEXRHENFPGUQZYF

not attested not anchored not stored refs pending

Firefighting on Trees Beyond Integrality Gaps

Andrea Baggio, David Adjiashvili, Rico Zenklusen

arxiv:1601.00271 v2 · 2016-01-03 · cs.DS · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IDVTVVKIOZFWEXRHENFPGUQZYF}

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	2026-05-18T01:19:11.093377Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40eb3ad548764b625e27234af35219c17d3ea78834fbc2ddab148c4c6e79ad03

Aliases

arxiv: 1601.00271 · arxiv_version: 1601.00271v2 · doi: 10.48550/arxiv.1601.00271 · pith_short_12: IDVTVVKIOZFW · pith_short_16: IDVTVVKIOZFWEXRH · pith_short_8: IDVTVVKI

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/IDVTVVKIOZFWEXRHENFPGUQZYF \
  | 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: 40eb3ad548764b625e27234af35219c17d3ea78834fbc2ddab148c4c6e79ad03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "772086f5de803bddd093e51c5e716b515063b32d187466f8515816997e7e0d28",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2016-01-03T10:29:56Z",
    "title_canon_sha256": "e521c576ba9b18908c761df869d955d6df777f4b0a6922ab24a8e1b463df1433"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.00271",
    "kind": "arxiv",
    "version": 2
  }
}