Pith Number

pith:DLGB23OE

pith:2015:DLGB23OERDNL7KOUMMKM3HUANV

not attested not anchored not stored refs pending

Randomised enumeration of small witnesses using a decision oracle

Kitty Meeks

arxiv:1509.05572 v4 · 2015-09-18 · cs.DS · cs.CC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DLGB23OERDNL7KOUMMKM3HUANV}

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	2026-05-18T00:26:47.182611Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1acc1d6dc488dabfa9d46314cd9e806d63392dd6a049792c82a8e5a5aac97a23

Aliases

arxiv: 1509.05572 · arxiv_version: 1509.05572v4 · doi: 10.48550/arxiv.1509.05572 · pith_short_12: DLGB23OERDNL · pith_short_16: DLGB23OERDNL7KOU · pith_short_8: DLGB23OE

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/DLGB23OERDNL7KOUMMKM3HUANV \
  | 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: 1acc1d6dc488dabfa9d46314cd9e806d63392dd6a049792c82a8e5a5aac97a23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53a075241da4d1253c916b9d71b7605f5d4aab34c365e4f9d20bbf125063244e",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-09-18T10:20:24Z",
    "title_canon_sha256": "f239a70d36695eb62c5cfbd251f140a3d99abdfbe13a2dff952cece070e9d337"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.05572",
    "kind": "arxiv",
    "version": 4
  }
}