Pith Number

pith:2JMEBNFT

pith:2019:2JMEBNFTX5EP24ARBW2JDGM22R

not attested not anchored not stored refs pending

Does the second law hold at cosmic scales?

Diego Pav\'on, Manuel Gonzalez-Espinoza

arxiv:1902.06651 v1 · 2019-02-18 · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2JMEBNFTX5EP24ARBW2JDGM22R}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:53:44.926402Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d25840b4b3bf48fd70110db491999ad47bcd95d6d053968ec94ee07c92498ace

Aliases

arxiv: 1902.06651 · arxiv_version: 1902.06651v1 · doi: 10.48550/arxiv.1902.06651 · pith_short_12: 2JMEBNFTX5EP · pith_short_16: 2JMEBNFTX5EP24AR · pith_short_8: 2JMEBNFT

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/2JMEBNFTX5EP24ARBW2JDGM22R \
  | 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: d25840b4b3bf48fd70110db491999ad47bcd95d6d053968ec94ee07c92498ace

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfda97bbe770c83db55bf2f265a3db0f2d34154e6d68ddd2e744bc34bac75483",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-02-18T17:06:46Z",
    "title_canon_sha256": "6fbf11972d7b05e3a1252072d0d00f1893d95e501ec1ece9fba8f841c9a93fca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.06651",
    "kind": "arxiv",
    "version": 1
  }
}