Pith Number

pith:2LU3XBY3

pith:2025:2LU3XBY332YTHFYLSWA3N7NXM4

not attested not anchored not stored refs pending

A Breathing Universe is Consistent

Samuel Blitz

arxiv:2507.06385 v2 · 2025-07-08 · 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{2LU3XBY332YTHFYLSWA3N7NXM4}

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	2026-05-18T03:09:35.173788Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2e9bb871bdeb133970b9581b6fdb76726e30619b2a8a923b03df46dc601c82f

Aliases

arxiv: 2507.06385 · arxiv_version: 2507.06385v2 · doi: 10.48550/arxiv.2507.06385 · pith_short_12: 2LU3XBY332YT · pith_short_16: 2LU3XBY332YTHFYL · pith_short_8: 2LU3XBY3

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/2LU3XBY332YTHFYLSWA3N7NXM4 \
  | 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: d2e9bb871bdeb133970b9581b6fdb76726e30619b2a8a923b03df46dc601c82f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ee9c177d5cbd79293811345bc3bf4d0ee646fe4ddce44fd87f8d711f787bb8e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2025-07-08T20:40:25Z",
    "title_canon_sha256": "3466302078709b5bfe20fb8d5ed6c53d10a0cc49aedd2c19ee73b2662bf4e653"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.06385",
    "kind": "arxiv",
    "version": 2
  }
}