Pith Number

pith:4QGIOLZQ

pith:2010:4QGIOLZQ3CJQ75TBIWB5IM2WGH

not attested not anchored not stored refs pending

On the Relative Strength of Pebbling and Resolution

Jakob Nordstr\"om

arxiv:1003.3047 v2 · 2010-03-15 · cs.CC · 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{4QGIOLZQ3CJQ75TBIWB5IM2WGH}

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	2026-05-18T02:24:37.042404Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e40c872f30d8930ff6614583d4335631efec2c450c1aa61c0c5ce7b2ac6d2ff3

Aliases

arxiv: 1003.3047 · arxiv_version: 1003.3047v2 · doi: 10.48550/arxiv.1003.3047 · pith_short_12: 4QGIOLZQ3CJQ · pith_short_16: 4QGIOLZQ3CJQ75TB · pith_short_8: 4QGIOLZQ

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/4QGIOLZQ3CJQ75TBIWB5IM2WGH \
  | 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: e40c872f30d8930ff6614583d4335631efec2c450c1aa61c0c5ce7b2ac6d2ff3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "584cd94c866087b6290ac09a67f82442313f872cf10690de4f00853a167cd9d6",
    "cross_cats_sorted": [
      "cs.DM",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2010-03-15T23:16:02Z",
    "title_canon_sha256": "53a57199d2d0c7db7785d9ec398e6ad20555debe52751d4304c99f46e88aa4e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.3047",
    "kind": "arxiv",
    "version": 2
  }
}