Pith Number

pith:4IOL4B2Q

pith:2025:4IOL4B2Q2MZO7UHNMNQO5OGVY3

not attested not anchored not stored refs pending

Planckeons as mouths of quantum wormholes and holographic origin of spacetime

Davide Fiscaletti, Fabrizio Tamburini, Ignazio Licata

arxiv:2505.02804 v2 · 2025-05-05 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4IOL4B2Q2MZO7UHNMNQO5OGVY3}

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	2026-07-05T12:02:01.082919Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e21cbe0750d332efd0ed6360eeb8d5c6e2d51e10b4c03d8eebe2c59e20ae1c61

Aliases

arxiv: 2505.02804 · arxiv_version: 2505.02804v2 · doi: 10.48550/arxiv.2505.02804 · pith_short_12: 4IOL4B2Q2MZO · pith_short_16: 4IOL4B2Q2MZO7UHN · pith_short_8: 4IOL4B2Q

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/4IOL4B2Q2MZO7UHNMNQO5OGVY3 \
  | 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: e21cbe0750d332efd0ed6360eeb8d5c6e2d51e10b4c03d8eebe2c59e20ae1c61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e5cd50a427c0c75cc53ce4b499a95acb13b10795026ac7246b273560f08c000",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2025-05-05T17:28:47Z",
    "title_canon_sha256": "4ef4fd0c50a8c71a35caf281b2f75c99c99b7348f718289d38705ef268f8ff03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.02804",
    "kind": "arxiv",
    "version": 2
  }
}