Pith Number

pith:NEJMNXDV

pith:2010:NEJMNXDVJSYFQMIORTS2R4OFHR

not attested not anchored not stored refs pending

An Impossibility Result for Truthful Combinatorial Auctions with Submodular Valuations

Shahar Dobzinski

arxiv:1011.1830 v1 · 2010-11-08 · cs.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NEJMNXDVJSYFQMIORTS2R4OFHR}

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	2026-05-18T02:23:37.347416Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6912c6dc754cb058310e8ce5a8f1c53c78d89d0e8d4b5418d76f8cdcc55b8d61

Aliases

arxiv: 1011.1830 · arxiv_version: 1011.1830v1 · doi: 10.48550/arxiv.1011.1830 · pith_short_12: NEJMNXDVJSYF · pith_short_16: NEJMNXDVJSYFQMIO · pith_short_8: NEJMNXDV

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/NEJMNXDVJSYFQMIORTS2R4OFHR \
  | 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: 6912c6dc754cb058310e8ce5a8f1c53c78d89d0e8d4b5418d76f8cdcc55b8d61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "febe91b0b3062d6c67175a44cbd75a16bf3b1c6a1d50c2f49d5f2ae1861511f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2010-11-08T15:42:56Z",
    "title_canon_sha256": "59bc9a5ccbe7f98ea8a121e8f65cdfe5606ed721ef75ca0cdcd1894b54405d86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.1830",
    "kind": "arxiv",
    "version": 1
  }
}