Pith Number

pith:RGGS2KDJ

pith:2013:RGGS2KDJFUXF2GXHBYKHUXHO6K

not attested not anchored not stored refs pending

A single exponential bound for the redundant vertex Theorem on surfaces

Fr\'ed\'eric Mazoit (LaBRI)

arxiv:1309.7820 v1 · 2013-09-30 · 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{RGGS2KDJFUXF2GXHBYKHUXHO6K}

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.

Cited by

1 paper in Pith

Finding irrelevant vertices in linear time on bounded-genus graphs

Receipt and verification

First computed	2026-05-18T03:11:48.116403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

898d2d28692d2e5d1ae70e147a5ceef28da6f81512ad39bcfdecbb4229d22e22

Aliases

arxiv: 1309.7820 · arxiv_version: 1309.7820v1 · doi: 10.48550/arxiv.1309.7820 · pith_short_12: RGGS2KDJFUXF · pith_short_16: RGGS2KDJFUXF2GXH · pith_short_8: RGGS2KDJ

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/RGGS2KDJFUXF2GXHBYKHUXHO6K \
  | 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: 898d2d28692d2e5d1ae70e147a5ceef28da6f81512ad39bcfdecbb4229d22e22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aeef560f75b3b2378d9803d4e29ae54546c86ef35b6f3afd66bfb32fb5d29de6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-09-30T12:25:38Z",
    "title_canon_sha256": "b55f5278030686ec5c68e54505f0b706b19b6c4bc93cee6565a605a85a3a4c02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.7820",
    "kind": "arxiv",
    "version": 1
  }
}