Pith Number

pith:5FNIY5SD

pith:2011:5FNIY5SDEUVMNJPRA4OGLH3N7R

not attested not anchored not stored refs pending

Nested structure acquired through simple evolutionary process

Kazuhiro Takemoto, Masanori Arita

arxiv:1105.4386 v1 · 2011-05-23 · q-bio.PE · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5FNIY5SDEUVMNJPRA4OGLH3N7R}

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	2026-05-18T02:21:50.185323Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e95a8c7643252ac6a5f1071c659f6dfc6d69d8167bdb5a95373b1ca9cc20e528

Aliases

arxiv: 1105.4386 · arxiv_version: 1105.4386v1 · doi: 10.48550/arxiv.1105.4386 · pith_short_12: 5FNIY5SDEUVM · pith_short_16: 5FNIY5SDEUVMNJPR · pith_short_8: 5FNIY5SD

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/5FNIY5SDEUVMNJPRA4OGLH3N7R \
  | 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: e95a8c7643252ac6a5f1071c659f6dfc6d69d8167bdb5a95373b1ca9cc20e528

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1f43dc31f43e5e220175adc70179bd5daad6866884acd6d3729d15456cc2c07",
    "cross_cats_sorted": [
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2011-05-23T02:03:56Z",
    "title_canon_sha256": "2e9a6de1900df6f7ae780b443d729d12adda0a975ba37656d7b6bcfa0bbc21fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.4386",
    "kind": "arxiv",
    "version": 1
  }
}