Pith Number

pith:5LVL7HHG

pith:2015:5LVL7HHGXSIRZPXGSR4NZZGLAI

not attested not anchored not stored refs pending

Cosmic Logic: a Computational Model

Vitaly Vanchurin

arxiv:1507.01815 v2 · 2015-07-05 · hep-th · astro-ph.CO · gr-qc · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5LVL7HHGXSIRZPXGSR4NZZGLAI}

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	2026-05-17T23:56:30.529247Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eaeabf9ce6bc911cbee69478dce4cb022a831d8ff1997ff1bd053603754d4e86

Aliases

arxiv: 1507.01815 · arxiv_version: 1507.01815v2 · doi: 10.48550/arxiv.1507.01815 · pith_short_12: 5LVL7HHGXSIR · pith_short_16: 5LVL7HHGXSIRZPXG · pith_short_8: 5LVL7HHG

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/5LVL7HHGXSIRZPXGSR4NZZGLAI \
  | 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: eaeabf9ce6bc911cbee69478dce4cb022a831d8ff1997ff1bd053603754d4e86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40f128d089a51a5f92fd49b36cb5a07a7018578bb651eda57ff0741ef5ee08a9",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc",
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2015-07-05T09:44:08Z",
    "title_canon_sha256": "5543e5b862908369e67505a87d72c2ebcba1624e889bc023b7b3c96cc6f99aaf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.01815",
    "kind": "arxiv",
    "version": 2
  }
}