Pith Number

pith:W64B4KOV

pith:2018:W64B4KOVV62CLZXNUAU4ROTBNL

not attested not anchored not stored refs pending

Biology is a constructive physics

S.V. Kozyrev

arxiv:1804.10518 v4 · 2018-04-26 · q-bio.PE · cond-mat.stat-mech · 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{W64B4KOVV62CLZXNUAU4ROTBNL}

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	2026-05-18T00:08:20.788450Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7b81e29d5afb425e6eda029c8ba616ac69569a7a894842f07c8f80a685a0bb9

Aliases

arxiv: 1804.10518 · arxiv_version: 1804.10518v4 · doi: 10.48550/arxiv.1804.10518 · pith_short_12: W64B4KOVV62C · pith_short_16: W64B4KOVV62CLZXN · pith_short_8: W64B4KOV

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/W64B4KOVV62CLZXNUAU4ROTBNL \
  | 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: b7b81e29d5afb425e6eda029c8ba616ac69569a7a894842f07c8f80a685a0bb9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29d18dadf3e359c7ff7a324eb6e7f72df2825d6d7f062af491a30c747bc191dc",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2018-04-26T11:51:30Z",
    "title_canon_sha256": "5002e32d15cd6538cf6b49bca0dfe5f69d37fc738304fa7c20cd340da22992ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.10518",
    "kind": "arxiv",
    "version": 4
  }
}