Pith Number

pith:SG77ZI3P

pith:2019:SG77ZI3P4NQLE5FVTKE7PHAMDV

not attested not anchored not stored refs pending

Efficiently Exploring Ordering Problems through Conflict-directed Search

Andrew Wang, Brian Williams, Cheng Fang, David Wang, Jingkai Chen

arxiv:1904.07366 v1 · 2019-04-15 · cs.AI · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SG77ZI3P4NQLE5FVTKE7PHAMDV}

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	2026-05-17T23:48:28.773095Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91bffca36fe360b274b59a89f79c0c1d5579852e4255d8664d15cb7f7066022c

Aliases

arxiv: 1904.07366 · arxiv_version: 1904.07366v1 · doi: 10.48550/arxiv.1904.07366 · pith_short_12: SG77ZI3P4NQL · pith_short_16: SG77ZI3P4NQLE5FV · pith_short_8: SG77ZI3P

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/SG77ZI3P4NQLE5FVTKE7PHAMDV \
  | 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: 91bffca36fe360b274b59a89f79c0c1d5579852e4255d8664d15cb7f7066022c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7235f493131aadbb480126d6179567c3cca5f952220d6f987a841b28b314440d",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2019-04-15T23:47:21Z",
    "title_canon_sha256": "d36a691df36703b4690150d6417bcbd2f7d9de4279535cb768e3099dedb7b685"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.07366",
    "kind": "arxiv",
    "version": 1
  }
}