Pith Number

pith:2HITIH6L

pith:2017:2HITIH6L3NUGWD6NVKZGD3KKKQ

not attested not anchored not stored refs pending

Reconfiguration on nowhere dense graph classes

Sebastian Siebertz

arxiv:1707.06775 v2 · 2017-07-21 · 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{2HITIH6L3NUGWD6NVKZGD3KKKQ}

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	2026-05-18T00:06:06.202839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1d1341fcbdb686b0fcdaab261ed4a543b3df937bcc9257fd648d5ab50bd9b3f

Aliases

arxiv: 1707.06775 · arxiv_version: 1707.06775v2 · doi: 10.48550/arxiv.1707.06775 · pith_short_12: 2HITIH6L3NUG · pith_short_16: 2HITIH6L3NUGWD6N · pith_short_8: 2HITIH6L

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/2HITIH6L3NUGWD6NVKZGD3KKKQ \
  | 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: d1d1341fcbdb686b0fcdaab261ed4a543b3df937bcc9257fd648d5ab50bd9b3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2010f703dac583b1abca85ef22856af7cb168f331eb1d7fd3b685b0c71d99320",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2017-07-21T07:05:10Z",
    "title_canon_sha256": "035ed08c9f28e7f4656a97a0d392f22c1e976efa3297f233c58bd7e937810701"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.06775",
    "kind": "arxiv",
    "version": 2
  }
}