Pith Number

pith:BWHV2JOD

pith:2013:BWHV2JODFE2HL5GBDIH45K2PSG

not attested not anchored not stored refs pending

Flexible and Approximate Computation through State-Space Reduction

Weixiong Zhang

arxiv:1301.7418 v1 · 2013-01-30 · 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{BWHV2JODFE2HL5GBDIH45K2PSG}

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	2026-05-18T03:34:49.558047Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d8f5d25c3293475f4c11a0fceab4f91a97fbdb3913b518ed92a94a53b05b8e9

Aliases

arxiv: 1301.7418 · arxiv_version: 1301.7418v1 · doi: 10.48550/arxiv.1301.7418 · pith_short_12: BWHV2JODFE2H · pith_short_16: BWHV2JODFE2HL5GB · pith_short_8: BWHV2JOD

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/BWHV2JODFE2HL5GBDIH45K2PSG \
  | 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: 0d8f5d25c3293475f4c11a0fceab4f91a97fbdb3913b518ed92a94a53b05b8e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c3bf700b08a10b8bb9362dedb061ad53e5bacaf1f48c00e840d34e36b065772",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2013-01-30T15:07:19Z",
    "title_canon_sha256": "63474212829947af29b485a16ed76c8c905fe8dcc71a88fe80e236819f791ec8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.7418",
    "kind": "arxiv",
    "version": 1
  }
}