Pith Number

pith:WPWBQ4OI

pith:2014:WPWBQ4OITDVXBJO56SAHP5A6JA

not attested not anchored not stored refs pending

Topological Value Iteration Algorithms

Daniel Sabby Weld, Judy Goldsmith, Mausam, Peng Dai

arxiv:1401.3910 v1 · 2014-01-16 · 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{WPWBQ4OITDVXBJO56SAHP5A6JA}

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	2026-05-18T03:02:06.056362Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3ec1871c898eb70a5ddf48077f41e4805c039d031019fa33bad6c9fe234f418

Aliases

arxiv: 1401.3910 · arxiv_version: 1401.3910v1 · doi: 10.48550/arxiv.1401.3910 · pith_short_12: WPWBQ4OITDVX · pith_short_16: WPWBQ4OITDVXBJO5 · pith_short_8: WPWBQ4OI

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/WPWBQ4OITDVXBJO56SAHP5A6JA \
  | 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: b3ec1871c898eb70a5ddf48077f41e4805c039d031019fa33bad6c9fe234f418

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67e44a60167965c242e4391fc43ccfa816acfe21683fdbd07a58c9afdd6a39c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2014-01-16T05:24:38Z",
    "title_canon_sha256": "45d4ba146c7e28e62680e7be9072cf7ae1881c3cb608866c9e78bb6f3cb34841"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.3910",
    "kind": "arxiv",
    "version": 1
  }
}