Pith Number

pith:2X7AFNK2

pith:2014:2X7AFNK2DR7646QIREKVT5ML3Y

not attested not anchored not stored refs pending

An approximate version of the Tree Packing Conjecture

Anusch Taraz, Diana Piguet, Jan Hladk\'y, Julia B\"ottcher

arxiv:1404.0697 v3 · 2014-04-02 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2X7AFNK2DR7646QIREKVT5ML3Y}

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	2026-05-18T00:39:18.679307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5fe02b55a1c7fee7a08891559f58bde281a78ca659aeeded84295354744d457

Aliases

arxiv: 1404.0697 · arxiv_version: 1404.0697v3 · doi: 10.48550/arxiv.1404.0697 · pith_short_12: 2X7AFNK2DR76 · pith_short_16: 2X7AFNK2DR7646QI · pith_short_8: 2X7AFNK2

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/2X7AFNK2DR7646QIREKVT5ML3Y \
  | 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: d5fe02b55a1c7fee7a08891559f58bde281a78ca659aeeded84295354744d457

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "436aa52b8e39656771c08582995094ab4e3d7f8e03543f2040c72041162000da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-04-02T20:34:13Z",
    "title_canon_sha256": "c25e7a51784d13cb5bf86e5f66137cbb02d37abba90f38aa77db6670e2dbad1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.0697",
    "kind": "arxiv",
    "version": 3
  }
}