Pith Number

pith:XVLRR4LK

pith:2014:XVLRR4LKKTBASE4VFIXLXWDXYH

not attested not anchored not stored refs pending

On giant components and treewidth in the layers model

Daniel Reichman, Jonathan Hermon, Uriel Feige

arxiv:1401.6681 v2 · 2014-01-26 · cs.DM · 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{XVLRR4LKKTBASE4VFIXLXWDXYH}

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	2026-05-18T00:25:06.072871Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd5718f16a54c20913952a2ebbd877c1f0e638ceadc6ebd9f8ecfaa7925a7fd0

Aliases

arxiv: 1401.6681 · arxiv_version: 1401.6681v2 · doi: 10.48550/arxiv.1401.6681 · pith_short_12: XVLRR4LKKTBA · pith_short_16: XVLRR4LKKTBASE4V · pith_short_8: XVLRR4LK

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/XVLRR4LKKTBASE4VFIXLXWDXYH \
  | 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: bd5718f16a54c20913952a2ebbd877c1f0e638ceadc6ebd9f8ecfaa7925a7fd0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a8a7d0458da7cc358d06392fdea2e0f384ed99097db5d24f96fd44ddeaa9273",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2014-01-26T19:38:38Z",
    "title_canon_sha256": "915475ba01177cb53a3f47da9ce22280f0f526e886d67402ce14944a42fe9672"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.6681",
    "kind": "arxiv",
    "version": 2
  }
}