Pith Number

pith:EGM7ZPQU

pith:2017:EGM7ZPQU3C6JDUIDBUOSR6NFDE

not attested not anchored not stored refs pending

Fair Knapsack

Kai Wilker, Mervin Triphaus, Piotr Skowron, Till Fluschnik

arxiv:1711.04520 v2 · 2017-11-13 · cs.GT · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EGM7ZPQU3C6JDUIDBUOSR6NFDE}

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	2026-05-18T00:01:01.959065Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2199fcbe14d8bc91d1030d1d28f9a5193fed11e86f6ce73aed385cbd4bea5e75

Aliases

arxiv: 1711.04520 · arxiv_version: 1711.04520v2 · doi: 10.48550/arxiv.1711.04520 · pith_short_12: EGM7ZPQU3C6J · pith_short_16: EGM7ZPQU3C6JDUID · pith_short_8: EGM7ZPQU

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/EGM7ZPQU3C6JDUIDBUOSR6NFDE \
  | 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: 2199fcbe14d8bc91d1030d1d28f9a5193fed11e86f6ce73aed385cbd4bea5e75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4229dbf472082b332cc61ef1b004c9eb24c7c960eb1319f4330eeb080bc70048",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2017-11-13T11:00:21Z",
    "title_canon_sha256": "2f3ae6a2d2c3433d8b72bf18c502c3aa3cd50609e2660859f894351cde5dfc78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.04520",
    "kind": "arxiv",
    "version": 2
  }
}