Pith Number

pith:4AMC3BPK

pith:2015:4AMC3BPK27ZKSNF7QLAJXWH5HH

not attested not anchored not stored refs pending

Amorphic complexity

G. Fuhrmann, M. Gr\"oger, T. J\"ager

arxiv:1503.01036 v2 · 2015-03-03 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4AMC3BPK27ZKSNF7QLAJXWH5HH}

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	2026-05-18T01:20:36.767965Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0182d85ead7f2a934bf82c09bd8fd39ce8e761e212d7f51a38e05b3b2bc9e2c

Aliases

arxiv: 1503.01036 · arxiv_version: 1503.01036v2 · doi: 10.48550/arxiv.1503.01036 · pith_short_12: 4AMC3BPK27ZK · pith_short_16: 4AMC3BPK27ZKSNF7 · pith_short_8: 4AMC3BPK

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/4AMC3BPK27ZKSNF7QLAJXWH5HH \
  | 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: e0182d85ead7f2a934bf82c09bd8fd39ce8e761e212d7f51a38e05b3b2bc9e2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "744672fc41f127f31c90b80888334532105cd22a0a792bcb7731f5ed34b834ef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2015-03-03T18:22:55Z",
    "title_canon_sha256": "68d59205262d3cf16a75ff64e89bbd4548aec117989c93c7128807ae54940be9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.01036",
    "kind": "arxiv",
    "version": 2
  }
}