Pith Number

pith:D3ISIDV7

pith:2025:D3ISIDV7V5KHACEBXFANERKAKC

not attested not anchored not stored refs pending

Horizon Thermodynamics on Nice Slices of the Causal Diamond

Ian Nagle

arxiv:2504.20621 v1 · 2025-04-29 · hep-th · 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{D3ISIDV7V5KHACEBXFANERKAKC}

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	2026-07-05T10:55:45.685348Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ed1240ebfaf54700881b940d2454050a60abd784ef784b8ece621f5ae7b0ee6

Aliases

arxiv: 2504.20621 · arxiv_version: 2504.20621v1 · doi: 10.48550/arxiv.2504.20621 · pith_short_12: D3ISIDV7V5KH · pith_short_16: D3ISIDV7V5KHACEB · pith_short_8: D3ISIDV7

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/D3ISIDV7V5KHACEBXFANERKAKC \
  | 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: 1ed1240ebfaf54700881b940d2454050a60abd784ef784b8ece621f5ae7b0ee6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86166128831343c898969af75b862a3f631f112787804588227849155b21db1c",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2025-04-29T10:43:37Z",
    "title_canon_sha256": "5f46182f05b01fa2cefdc42fb7cea3705da30ed5df2836789686c784838eddc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.20621",
    "kind": "arxiv",
    "version": 1
  }
}