Pith Number

pith:TW6DFWIR

pith:2011:TW6DFWIRHOYCME2S47PNGHFK3I

not attested not anchored not stored refs pending

Resource allocation with costly participation

Ali Kakhbod

arxiv:1108.2018 v6 · 2011-08-09 · cs.GT · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TW6DFWIRHOYCME2S47PNGHFK3I}

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	2026-05-18T01:19:45.008808Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9dbc32d9113bb0261352e7ded31caada30d3379aeeeed5678a8c587d5bb84dac

Aliases

arxiv: 1108.2018 · arxiv_version: 1108.2018v6 · doi: 10.48550/arxiv.1108.2018 · pith_short_12: TW6DFWIRHOYC · pith_short_16: TW6DFWIRHOYCME2S · pith_short_8: TW6DFWIR

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/TW6DFWIRHOYCME2S47PNGHFK3I \
  | 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: 9dbc32d9113bb0261352e7ded31caada30d3379aeeeed5678a8c587d5bb84dac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9c8a27134b0b90d31e7766098c5b21c2e743619edd1c2b099f5eaae1fffaee6",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2011-08-09T19:34:04Z",
    "title_canon_sha256": "0c08b39f7c6cc5a37140f8cb1efd1a9d15c94227d4d9d59e11dc5f3bcd3668f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.2018",
    "kind": "arxiv",
    "version": 6
  }
}