Pith Number

pith:UADY3WXD

pith:2010:UADY3WXDXVRIXS4EG6LXNTAGJQ

not attested not anchored not stored refs pending

Information transfer with small-amplitude signals

Lubomir Kostal, Petr Lansky

arxiv:1008.2066 v1 · 2010-08-12 · q-bio.NC · 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{UADY3WXDXVRIXS4EG6LXNTAGJQ}

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	2026-05-18T04:42:21.751565Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0078ddae3bd628bcb84379776cc064c17ca7bd7db1317b2e7dfdbacc198c706

Aliases

arxiv: 1008.2066 · arxiv_version: 1008.2066v1 · doi: 10.48550/arxiv.1008.2066 · pith_short_12: UADY3WXDXVRI · pith_short_16: UADY3WXDXVRIXS4E · pith_short_8: UADY3WXD

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/UADY3WXDXVRIXS4EG6LXNTAGJQ \
  | 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: a0078ddae3bd628bcb84379776cc064c17ca7bd7db1317b2e7dfdbacc198c706

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22215f036d3637629351fd0ec54ae1b06bfcceaab2463041e698c4c47799f0ed",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2010-08-12T08:36:48Z",
    "title_canon_sha256": "d96a04d6615a82f592b7a34ce6e8d361c9764053ac78247732d1bfa6563c00b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.2066",
    "kind": "arxiv",
    "version": 1
  }
}