Pith Number

pith:E6TBUJ67

pith:2010:E6TBUJ67BOULNOQ2WHMFTSJN35

not attested not anchored not stored refs pending

Minimum Entropy Combinatorial Optimization Problems

Gwena\"el Joret, Jean Cardinal, Samuel Fiorini

arxiv:1008.2928 v1 · 2010-08-17 · cs.DS · 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{E6TBUJ67BOULNOQ2WHMFTSJN35}

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	2026-05-18T03:25:06.312284Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27a61a27df0ba8b6ba1ab1d859c92ddf70c8302730ddcd05ad2082d627ad0c5b

Aliases

arxiv: 1008.2928 · arxiv_version: 1008.2928v1 · doi: 10.48550/arxiv.1008.2928 · pith_short_12: E6TBUJ67BOUL · pith_short_16: E6TBUJ67BOULNOQ2 · pith_short_8: E6TBUJ67

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/E6TBUJ67BOULNOQ2WHMFTSJN35 \
  | 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: 27a61a27df0ba8b6ba1ab1d859c92ddf70c8302730ddcd05ad2082d627ad0c5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d70045862308f005445e945966785ddf45337f8716648cacd4d786faa4eb891a",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2010-08-17T16:14:09Z",
    "title_canon_sha256": "d7c957b03d885b9620a7f764606bca8cca8309216d60019e66cbca863cbda430"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.2928",
    "kind": "arxiv",
    "version": 1
  }
}