Pith Number

pith:VHEUEOLW

pith:2010:VHEUEOLW7LZP7DS55OXVBFQ4D2

not attested not anchored not stored refs pending

Information capacity in the weak-signal approximation

Lubomir Kostal

arxiv:1008.2069 v1 · 2010-08-12 · cs.IT · math.IT · 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{VHEUEOLW7LZP7DS55OXVBFQ4D2}

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	2026-05-18T02:05:49.104711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9c9423976faf2ff8e5debaf50961c1e805d502de6cedc730eaabf6cc6143fae

Aliases

arxiv: 1008.2069 · arxiv_version: 1008.2069v1 · doi: 10.48550/arxiv.1008.2069 · pith_short_12: VHEUEOLW7LZP · pith_short_16: VHEUEOLW7LZP7DS5 · pith_short_8: VHEUEOLW

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/VHEUEOLW7LZP7DS55OXVBFQ4D2 \
  | 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: a9c9423976faf2ff8e5debaf50961c1e805d502de6cedc730eaabf6cc6143fae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11411dd3d0c21119bb0449b0795e6c789e427a8bbbaa9cbb651248d5f947dff0",
    "cross_cats_sorted": [
      "math.IT",
      "q-bio.NC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2010-08-12T08:46:13Z",
    "title_canon_sha256": "1bb8ea1b7aa239f16e2fc1872fe929ade9d1498227d59dc09b5990e87b6f4e44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.2069",
    "kind": "arxiv",
    "version": 1
  }
}