Pith Number

pith:2JH667BV

pith:2010:2JH667BVWNRUE6LULRDEX7CZEE

not attested not anchored not stored refs pending

The Bonds of Laughter: A Multidisciplinary Inquiry into the Information Processes of Human Laughter

Jorge Navarro, Pedro C. Marijuan

arxiv:1010.5602 v1 · 2010-10-27 · q-bio.NC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2JH667BVWNRUE6LULRDEX7CZEE}

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	2026-05-18T04:38:16.287171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d24fef7c35b3634279745c464bfc59211d43249e5ed08f5582c1a47fb9181ff7

Aliases

arxiv: 1010.5602 · arxiv_version: 1010.5602v1 · doi: 10.48550/arxiv.1010.5602 · pith_short_12: 2JH667BVWNRU · pith_short_16: 2JH667BVWNRUE6LU · pith_short_8: 2JH667BV

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/2JH667BVWNRUE6LULRDEX7CZEE \
  | 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: d24fef7c35b3634279745c464bfc59211d43249e5ed08f5582c1a47fb9181ff7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97544053e04b61daea46053d45924f65f80730634150c235ec78b1986aa731b6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2010-10-27T08:29:30Z",
    "title_canon_sha256": "e1f340beebc6b1b5d7d9a8dec086e530832b01e3329c86867657d79c4e42975d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.5602",
    "kind": "arxiv",
    "version": 1
  }
}