Pith Number

pith:LDAUPYZY

pith:2013:LDAUPYZYVHSHRMVKETVMDZY5VN

not attested not anchored not stored refs pending

Fair assignment of indivisible objects under ordinal preferences

Haris Aziz, Serge Gaspers, Simon Mackenzie, Toby Walsh

arxiv:1312.6546 v4 · 2013-12-23 · cs.GT · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LDAUPYZYVHSHRMVKETVMDZY5VN}

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	2026-05-18T01:46:14.244110Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58c147e338a9e478b2aa24eac1e71dab7a7991173ec2e539a0c0453ce57ef004

Aliases

arxiv: 1312.6546 · arxiv_version: 1312.6546v4 · doi: 10.48550/arxiv.1312.6546 · pith_short_12: LDAUPYZYVHSH · pith_short_16: LDAUPYZYVHSHRMVK · pith_short_8: LDAUPYZY

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/LDAUPYZYVHSHRMVKETVMDZY5VN \
  | 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: 58c147e338a9e478b2aa24eac1e71dab7a7991173ec2e539a0c0453ce57ef004

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "898c3e974638fdf23a703e4a1f71c7ff268907a3a62aaf35b5588ce55108f624",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2013-12-23T13:37:19Z",
    "title_canon_sha256": "436a516a66be08f83c8fb78ae61ac9fc38d0783b716eb72924316d38023ffff8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.6546",
    "kind": "arxiv",
    "version": 4
  }
}