Pith Number

pith:W4T4X34H

pith:2016:W4T4X34HWEO7JD7JPEXECE53U2

not attested not anchored not stored refs pending

Solving Set Optimization Problems by Cardinality Optimization via Weak Constraints with an Application to Argumentation

Federico Cerutti, Massimiliano Giacomin, Mauro Vallati, Wolfgang Faber

arxiv:1612.07589 v1 · 2016-12-22 · 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{W4T4X34HWEO7JD7JPEXECE53U2}

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	2026-05-18T00:54:09.675202Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b727cbef87b11df48fe9792e4113bba681183575acabc97afdd9fca52c4d3642

Aliases

arxiv: 1612.07589 · arxiv_version: 1612.07589v1 · doi: 10.48550/arxiv.1612.07589 · pith_short_12: W4T4X34HWEO7 · pith_short_16: W4T4X34HWEO7JD7J · pith_short_8: W4T4X34H

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/W4T4X34HWEO7JD7JPEXECE53U2 \
  | 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: b727cbef87b11df48fe9792e4113bba681183575acabc97afdd9fca52c4d3642

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83d91f53f16bfb2565f5767699d75967b097d941316b85b3ce798d48157e6346",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2016-12-22T13:20:02Z",
    "title_canon_sha256": "5ff6cc0e5ffb2946a9f8677b96b94d4571594ab24c5e5a15aa65ce23dd28c488"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.07589",
    "kind": "arxiv",
    "version": 1
  }
}