Pith Number

pith:HW3IIR77

pith:2015:HW3IIR77IMYNKZ7J3EGBIEKPTW

not attested not anchored not stored refs pending

The 3/5-conjecture for weakly $S(K_{1,3})$-free forests

Simon Schmidt

arxiv:1507.02875 v1 · 2015-07-10 · 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{HW3IIR77IMYNKZ7J3EGBIEKPTW}

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	2026-05-18T01:37:03.024672Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3db68447ff4330d567e9d90c14114f9d8b7cd242a3c4e3f808fdf2b6d7b0346f

Aliases

arxiv: 1507.02875 · arxiv_version: 1507.02875v1 · doi: 10.48550/arxiv.1507.02875 · pith_short_12: HW3IIR77IMYN · pith_short_16: HW3IIR77IMYNKZ7J · pith_short_8: HW3IIR77

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/HW3IIR77IMYNKZ7J3EGBIEKPTW \
  | 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: 3db68447ff4330d567e9d90c14114f9d8b7cd242a3c4e3f808fdf2b6d7b0346f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "229777436b935c3c90a5a2bcb2d70995cfb7fdceae535436027c43370f1ba504",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-07-10T12:33:42Z",
    "title_canon_sha256": "2cb606b735bd9fcc8520ece1bc01cc23a1f4a38a0278fa08d353e3553495f5bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.02875",
    "kind": "arxiv",
    "version": 1
  }
}