Pith Number

pith:OA6A42IQ

pith:2019:OA6A42IQ7WWSQ3ITQFWNDHNTY2

not attested not anchored not stored refs pending

FSMI: Fast computation of Shannon Mutual Information for information-theoretic mapping

Sertac Karaman, Trevor Henderson, Vivienne Sze, Zhengdong Zhang

arxiv:1905.02238 v1 · 2019-05-06 · cs.RO · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OA6A42IQ7WWSQ3ITQFWNDHNTY2}

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	2026-05-17T23:46:51.984240Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

703c0e6910fdad286d13816cd19db3c6beb6d43556feb41c6313f1bb71a0338d

Aliases

arxiv: 1905.02238 · arxiv_version: 1905.02238v1 · doi: 10.48550/arxiv.1905.02238 · pith_short_12: OA6A42IQ7WWS · pith_short_16: OA6A42IQ7WWSQ3IT · pith_short_8: OA6A42IQ

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/OA6A42IQ7WWSQ3ITQFWNDHNTY2 \
  | 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: 703c0e6910fdad286d13816cd19db3c6beb6d43556feb41c6313f1bb71a0338d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0dc803e9581bdc584e8b6914446745cfed437e477b71d0cd14ad0f49b239bf8d",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2019-05-06T19:01:59Z",
    "title_canon_sha256": "522aa6fc074c82e5d32e2f81e2b6075407c2469d3e45babc83c35c1ea75604e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.02238",
    "kind": "arxiv",
    "version": 1
  }
}