Pith Number

pith:OJIQG4JZ

pith:2017:OJIQG4JZFWXKC7EGZRXKWJ3XV2

not attested not anchored not stored refs pending

Sparsity-Sensitive Finite Abstraction

Eric S. Kim, Felix Gruber, Murat Arcak

arxiv:1704.03951 v1 · 2017-04-12 · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OJIQG4JZFWXKC7EGZRXKWJ3XV2}

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	2026-05-18T00:25:05.786213Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72510371392daea17c86cc6eab2777ae94f6ba746012d6a7b371a1d3c65975f7

Aliases

arxiv: 1704.03951 · arxiv_version: 1704.03951v1 · doi: 10.48550/arxiv.1704.03951 · pith_short_12: OJIQG4JZFWXK · pith_short_16: OJIQG4JZFWXKC7EG · pith_short_8: OJIQG4JZ

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/OJIQG4JZFWXKC7EGZRXKWJ3XV2 \
  | 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: 72510371392daea17c86cc6eab2777ae94f6ba746012d6a7b371a1d3c65975f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8df5d81648866b8eb0130c9a55de82d16faaac1fe4e74b79409578e7fab2b2b7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2017-04-12T23:56:50Z",
    "title_canon_sha256": "a5aaae0409580c90957ac25e8fee240ee0f07fb03802fe158e5fa9aecf35be05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.03951",
    "kind": "arxiv",
    "version": 1
  }
}