Pith Number

pith:SDDF7YQ3

pith:2024:SDDF7YQ3TKTSRS4Z65EDL6AWS3

not attested not anchored not stored refs pending

Expanding Microscopic Black Holes

Samuel Kov\'a\v{c}ik

arxiv:2405.13072 v1 · 2024-05-20 · gr-qc · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SDDF7YQ3TKTSRS4Z65EDL6AWS3}

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	2026-07-05T08:21:57.071679Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90c65fe21b9aa728cb99f74835f81696c13d5bd7bccbc5bb303f7ab501c639ad

Aliases

arxiv: 2405.13072 · arxiv_version: 2405.13072v1 · doi: 10.48550/arxiv.2405.13072 · pith_short_12: SDDF7YQ3TKTS · pith_short_16: SDDF7YQ3TKTSRS4Z · pith_short_8: SDDF7YQ3

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/SDDF7YQ3TKTSRS4Z65EDL6AWS3 \
  | 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: 90c65fe21b9aa728cb99f74835f81696c13d5bd7bccbc5bb303f7ab501c639ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1afc409b3e2c2b1cb18b2092fc325f9f765f0d89fc4e699ba11fcf5b8fcfe76d",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2024-05-20T21:49:25Z",
    "title_canon_sha256": "6a4ed1612da33e7d4aa369bb31955bf419c27f01704a81f7ce671e68b0d241fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2405.13072",
    "kind": "arxiv",
    "version": 1
  }
}