Pith Number

pith:Z6P7PG7X

pith:2019:Z6P7PG7XINITHFMJ4O3545BEBY

not attested not anchored not stored refs pending

A uniqueness result on detecting a prey in a spider orb-web

Alexandre Kawano, Antonino Morassi

arxiv:1906.03610 v1 · 2019-06-09 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z6P7PG7XINITHFMJ4O3545BEBY}

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	2026-05-17T23:43:47.900740Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf9ff79bf74351339589e3b7de74240e2a4af05128598ee51cbdd06e501eb5a2

Aliases

arxiv: 1906.03610 · arxiv_version: 1906.03610v1 · doi: 10.48550/arxiv.1906.03610 · pith_short_12: Z6P7PG7XINIT · pith_short_16: Z6P7PG7XINITHFMJ · pith_short_8: Z6P7PG7X

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/Z6P7PG7XINITHFMJ4O3545BEBY \
  | 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: cf9ff79bf74351339589e3b7de74240e2a4af05128598ee51cbdd06e501eb5a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6bd50f047b6e21071513f67e761db68824c5463bd98cd395db9508ba4d84bd7",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2019-06-09T10:04:06Z",
    "title_canon_sha256": "712e40a60228f02044b3db745cd5a503eaf60b52b1a2df982802f58687a20bf4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.03610",
    "kind": "arxiv",
    "version": 1
  }
}