Pith Number

pith:T77PODBY

pith:2018:T77PODBYGFH3KV373COQTQRDCJ

not attested not anchored not stored refs pending

Fractal light from lasers

Andrew Forbes, Darryl Naidoo, Hend Sroor, Johannes Courtial, John Nelson, Steven W. Miller

arxiv:1809.02501 v2 · 2018-09-06 · physics.optics · nlin.PS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T77PODBYGFH3KV373COQTQRDCJ}

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	2026-05-17T23:55:11.860672Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ffef70c38314fb5577fd89d09c22312647d0a51bdd4dbe81b6760c4a73ea4d1

Aliases

arxiv: 1809.02501 · arxiv_version: 1809.02501v2 · doi: 10.48550/arxiv.1809.02501 · pith_short_12: T77PODBYGFH3 · pith_short_16: T77PODBYGFH3KV37 · pith_short_8: T77PODBY

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/T77PODBYGFH3KV373COQTQRDCJ \
  | 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: 9ffef70c38314fb5577fd89d09c22312647d0a51bdd4dbe81b6760c4a73ea4d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3a9da2a330e3ca8d4638c463c7397bb7a60c7babf1d12747f4c3fd8b9d8f802",
    "cross_cats_sorted": [
      "nlin.PS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-09-06T08:46:00Z",
    "title_canon_sha256": "8a01a04f301f75cee3b6953f7db8664e64dd6c7e1e62cd4ba22c68a9d0d83a62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.02501",
    "kind": "arxiv",
    "version": 2
  }
}